complete.tools

Unit Converters

Browse 543 free conversion tools. All tools are free, instant, and require no signup.

Convert between units of measurement instantly. Length, weight, temperature, volume, area, speed, time, data storage, and currency conversions with accurate, up-to-date conversion factors.

Popular Conversion Tools

2025 Electricity Cost Calculator - Calculate your electricity costs based on appliance wattage, usage hours, and current 2025 electricity rates. Get accurate monthly and yearly cost estimates.
2025 Lighting Energy Cost Calculator - Compare lighting costs between LED, CFL, halogen, and incandescent bulbs. Calculate energy savings and payback periods for switching to efficient lighting.
24-Hour to 12-Hour Time Converter - Convert 24-hour military time to 12-hour AM/PM format instantly.
Abampere Converter - Convert abamperes (electromagnetic CGS units) to amperes, milliamperes, microamperes and other electric current units.
Abcoulomb Converters - Convert abcoulombs (CGS electromagnetic units) to coulombs, statcoulombs, and other charge units.

All Conversion Tools

  • 2025 Electricity Cost Calculator - Calculate your electricity costs based on appliance wattage, usage hours, and current 2025 electricity rates. Get accurate monthly and yearly cost estimates.
  • 2025 Lighting Energy Cost Calculator - Compare lighting costs between LED, CFL, halogen, and incandescent bulbs. Calculate energy savings and payback periods for switching to efficient lighting.
  • 24-Hour to 12-Hour Time Converter - Convert 24-hour military time to 12-hour AM/PM format instantly.
  • Abampere Converter - Convert abamperes (electromagnetic CGS units) to amperes, milliamperes, microamperes and other electric current units.
  • Abcoulomb Converters - Convert abcoulombs (CGS electromagnetic units) to coulombs, statcoulombs, and other charge units.
  • Abmho Converters - Convert abmhos to siemens, mhos, millisiemens, microsiemens and other conductance units.
  • Acceleration Angular Converter - Convert angular acceleration between rad/s², degrees/s², RPM², and RPS² for motor control, robotics, and physics applications.
  • Acre Converters - Convert acres to square feet, square yards, hectares, square meters, square miles, roods and other land area units.
  • Acres to Square Feet Converter - Convert acres to square feet, or square feet back to acres, using the international acre of exactly 43,560 square feet.
  • Amp-Hours to kWh Calculator - Convert amp-hours (Ah) to kilowatt-hours (kWh) for battery energy capacity calculations
  • Amp-Hours to Watt-Hours Calculator - Convert amp-hours (Ah) to watt-hours (Wh) for battery energy capacity calculations
  • Ampere Converters - Convert amperes to milliamperes, microamperes, kiloamperes, megaamperes and other electric current units.
  • Ampere-Hour Converters - Convert between amp-hours (Ah), milliamp-hours (mAh), and watt-hours (Wh) for batteries and power systems
  • Amps to Horsepower Calculator - Convert electrical current in amps to mechanical power in horsepower for single and three-phase motors
  • Amps to Kilovolt-Amps (kVA) Converter - Convert electrical current (amps) to apparent power in kilovolt-amps (kVA) for single-phase and three-phase AC circuits
  • Amps to Kilowatts Calculator - Convert electrical current (amps) to power in kilowatts for DC, single-phase AC, and three-phase AC circuits
  • Amps to Milliamperes Converter - Convert amps to milliamperes and back, with other electric current units shown alongside.
  • Amps to Volt-Amps (VA) Conversion Calculator - Convert electrical current (amps) to apparent power in volt-amperes (VA) for single-phase and three-phase AC circuits
  • Amps to Volts Calculator - Convert electrical current (amps) to voltage using Ohm's Law with resistance or power
  • Amps to Watts Calculator - Convert electrical current (amps) to power (watts) for DC and AC circuits
  • Angle Converter - Convert between degrees, radians, gradians, turns, arcminutes, arcseconds and milliradians.
  • Angular Velocity Converter - Convert angular velocity between radians per second, degrees per second, revolutions per minute (RPM), and other rotational speed units.
  • Area Conversion - Convert between common area units (sq ft, m², acres).
  • Area Converter - Convert area units instantly between square meters, hectares, acres, square feet, and more.
  • Ares to Hectares Converter - Convert land area between Ares, Hectares, and Square Meters instantly.
  • Atmosphere Converters - Convert standard atmospheres to bar, psi, kilopascals, pascals, mmHg, inHg and torr.
  • Bar Converters - Convert bar to psi, kilopascals, atmospheres, pascals, megapascals, torr, mmHg, inHg and millibar.
  • Bar to PSIG Converter - Convert pressure between bar, psi, pascals, kilopascals, megapascals, atmospheres, torr, mmHg and inHg.
  • Base64 Codec - Encode and decode Base64 data strings with real-time feedback.
  • Beer Barrel Converters - Convert between beer barrels and other units of volume.
  • Billion to Trillion Converter - Convert between large number scales like Million, Billion, Trillion, and Quadrillion instantly.
  • Binary Calculator & Converter - Perform binary arithmetic (add, subtract, multiply, divide) and convert between binary, decimal, hex, and octal
  • Binary to Decimal Converter - Convert binary numbers to decimal with step-by-step calculation breakdown showing positional values
  • Binary to Hexadecimal Converter - Convert binary numbers to hexadecimal with step-by-step breakdown showing grouping into 4-bit nibbles
  • Binary to Octal Converter - Convert binary numbers to octal with step-by-step breakdown showing grouping into 3-bit groups
  • Binary to Text Converter - Convert plain text into binary machine code and back instantly.
  • Bomber Converters - Convert between bomber aircraft specifications and units
  • BTU Per Hour Converters - Convert BTU per hour to watts, kilowatts, horsepower, tons of refrigeration and other power units.
  • Business Day Calculator - Count the business days between two dates, skipping weekends and any holidays you list. The start date and the end date are both counted.
  • Byte Converters - Convert bytes to kilobytes, megabytes, gigabytes, terabytes and binary units such as kibibytes, mebibytes and gibibytes.
  • cal to kcal Converter - Convert between calories (cal) and kilocalories (kcal) instantly. Bidirectional energy unit converter for nutrition and physics.
  • Calorie Converters - Convert between different calorie units and food energy measurements.
  • Calories to Electronvolts Converter - Convert calories to electronvolts (eV). Scientific energy unit conversion for physics and chemistry applications.
  • Calories to Joules Converter - Convert calories (cal) to joules (J), with kilojoules and kilocalories (kcal) shown alongside. Uses the thermochemical calorie.
  • Calories to Kiloelectronvolts Converter - Convert calories to kiloelectronvolts (keV) for energy unit conversion in physics.
  • Calories to Kilograms Converter - Convert calories to kilograms of body weight. Based on the approximation that 7,700 calories equals 1 kg of body weight.
  • Calories to Megaelectronvolts Converter - Convert calories to megaelectronvolts (MeV) for energy unit conversion in nuclear physics.
  • Calories to Milligrams Converter - Convert calories to milligrams of fat burned based on energy expenditure
  • Calories to Ounces Converter - Convert calories to ounces of fat burned based on energy expenditure
  • Calories to Pounds Converter - Convert calories to pounds of body weight. Based on the approximation that 3,500 calories equals 1 pound of body weight.
  • Calories to Stones Converter - Convert calories to stones (UK weight unit). Based on the approximation that 49,000 calories equals 1 stone of body weight.
  • Capacitance Calculator - Calculate capacitance from charge and voltage, or find charge/voltage from known values
  • Capacitance Conversion - Convert between farads, microfarads, nanofarads, picofarads, and other capacitance units instantly
  • Capacitance to Charge Conversion Calculator - Convert between capacitance, voltage, and charge using Q = C × V. Calculate any value when you know the other two.
  • Carat Converters - Convert carats to grams, milligrams, ounces, pounds, troy ounces and grains, and back, for gemstone and jewelry weights.
  • Celsius to Fahrenheit Converter - Convert Celsius to Fahrenheit, and see the same temperature in Kelvin.
  • Centimeter Converters - Convert centimeters to millimeters, meters, kilometers, inches, feet and yards.
  • Centimeter per Second Converters - Convert centimeters per second to meters per second, km/h, mph, feet per second, knots and other speed units.
  • Centimeters To Feet Converter - Convert centimeters to feet. The grid also shows the same length in inches, meters and millimeters.
  • Centimeters to Inches - Convert centimeters to inches, with the same length in millimeters, meters and feet.
  • Century Converters - Convert between centuries, years, and dates with precise calculations
  • CM to Inches Converter - Convert centimeters to inches, with the same length in millimeters, meters and feet.
  • Color Hex to RGB Converter - Convert hex color codes to RGB, RGBA, and HSL formats with live color preview and copy to clipboard
  • CSV / JSON Converter Pro - Convert complex CSV and JSON data files instantly.
  • Cubic Foot Converters - Convert cubic feet to cubic meters, liters, gallons, and other volume units instantly.
  • Cubic Inch Converters - Convert cubic inches to other volume units (liters, gallons, cubic feet, etc.).
  • Cubic Yard Converters - Convert cubic yards to cubic feet, cubic meters, cubic inches, liters, gallons, and other volume units.
  • Cup Converters - Convert cups to milliliters, tablespoons, teaspoons, fluid ounces, and other volume measurements.
  • Cups to Grams Converter - Convert cups to grams based on the selected ingredient with accurate density calculations.
  • Cups to mL Converter - Convert cups to milliliters using US, metric, or imperial cup measurements.
  • Cups to Tablespoons Converter - Convert cups to tablespoons using standard volume conversion ratios.
  • Current Calculator - Calculate electric current using Ohm's Law formulas: I = V/R, I = P/V, or I = √(P/R)
  • Cycle Per Second Converters - Convert cycles per second to hertz, kilohertz, megahertz, gigahertz, terahertz, millihertz, RPM, radians per second and other frequency units.
  • Data Storage Conversion - Convert between data storage units: bytes, KB, MB, GB, TB, PB and more
  • Data Storage Converter - Convert between bits, bytes, kilobytes, megabytes, gigabytes, terabytes and petabytes, in decimal (1000) and binary (1024) units.
  • Data Transfer Conversion - Convert between data transfer rates: bps, Kbps, Mbps, Gbps and more
  • Data Transfer Converter - Convert between data transfer rate units including bits, kilobits, megabits, gigabits, terabits and bytes per second.
  • Day Converters - Convert between days and other time units (hours, minutes, seconds, weeks, months, years).
  • Day Counter - Count the total number of days between two dates, with an option to count both the start day and the end day.
  • Day of the Week Calculator - Find out what day of the week any date falls on, instantly.
  • Days Between Dates Calculator - Count the days between two dates, with the gap also shown in weeks and in years, months and days, and an option to count both end dates.
  • Days From Today Calculator - Find the date a number of days from today, or count how many days away a chosen date is, going forward or back.
  • Days Since Date Calculator - Count how many days have passed since a past date, up to today or any date you choose, also shown in weeks and in years, months and days.
  • Decade Converters - Convert decades to and from years, months, weeks, days, hours, minutes, seconds, centuries, and millennia.
  • Decimal to Binary Converter - Convert decimal numbers to binary representation with step-by-step division method breakdown
  • Decimal to Hexadecimal Converter - Convert decimal numbers to hexadecimal with step-by-step division breakdown
  • Decimal to Octal Converter - Convert decimal numbers to octal with step-by-step division breakdown
  • Degree Per Second Converter - Convert angular velocity between degrees per second, radians per second, RPM, and other rotational speed units.
  • Degrees to Milliradians Converter - Convert degrees to milliradians (mrad), and back, for shooting, ballistics and angular measurements.
  • Degrees to Radians Converter - Convert degrees to radians for trigonometry and calculus, and back.
  • Delisle Converters - Convert temperatures between Delisle and other temperature scales (Celsius, Fahrenheit, Kelvin).
  • Digital Image Resolution Converter - Convert between digital image resolution units: pixels per inch (PPI), dots per inch (DPI), pixels per centimeter, dots per centimeter, and more.
  • Dimensional Weight (DIM) Calculator - Compare actual weight vs DIM weight for FedEx, UPS, and USPS to determine shipping charge weight
  • Download Time Calculator - Calculate how long it will take to download a file based on your internet speed
  • Dynamic Viscosity Converter - Convert dynamic viscosity units including Pa·s, cP, mPa·s, poise and lb/(ft·s) for fluid mechanics.
  • Dyne Converters - Convert dynes to newtons, pounds-force, kilograms-force and other force units.
  • Electric Charge Converter - Convert between electric charge units: coulombs, ampere-hours, milliampere-hours, and more.
  • Electric Conductance Converter - Convert electric conductance between siemens, millisiemens, microsiemens, nanosiemens, mhos and other units.
  • Electric Conductivity Converter - Convert between electric conductivity units: siemens per meter, mho, microsiemens, and more.
  • Electric Current Converter - Convert between electric current units: ampere, milliampere, microampere, kiloampere, abampere and more.
  • Electric Field Strength Converter - Convert between electric field strength units: volt per meter (V/m), kilovolt per meter (kV/m), volt per centimeter, newton per coulomb, and more.
  • Electric Potential Converter - Convert electric potential (voltage) between volts, millivolts, microvolts, kilovolts, megavolts and other units.
  • Electric Resistance Converter - Convert between electric resistance units: ohm (Ω), milliohm (mΩ), microohm (µΩ), kiloohm (kΩ), megaohm (MΩ) and more.
  • Electric Resistivity Converter - Convert between electric resistivity units: ohm meter (Ω·m), ohm centimeter (Ω·cm), microohm meter (µΩ·m), and more.
  • Electrostatic Capacitance Converter - Convert between farads, statfarads, abfarads, microfarads, nanofarads, picofarads and other capacitance units.
  • Energy Conversion - Convert between energy units: joules, calories, kilocalories, BTU, kilowatt-hours, and more
  • Energy Converter - Convert between joules, calories, BTU, kilowatt-hours, and other energy units.
  • EV Efficiency Converter (km/kWh) - Convert km/kWh to mi/kWh, kWh per 100 km, kWh per 100 miles, MPGe, Wh/km and other electric vehicle efficiency units.
  • Fahrenheit to Celsius Converter - Convert a Fahrenheit temperature to Celsius instantly, or switch the units to go from Celsius to Fahrenheit.
  • Farads to Microfarads Converter - Convert farads to microfarads and back, with millifarads, nanofarads and picofarads shown alongside.
  • Feet To Centimeters Converter - Convert feet to centimeters. The grid also shows the same length in inches, meters and millimeters.
  • Feet To Inches Converter - Convert feet to inches, with the same length in yards, centimeters and meters.
  • Feet to Meters - Convert feet to meters, with the same length in centimeters, inches and yards.
  • Feet To Meters Converter - Convert feet to meters, with the same length in centimeters, inches and yards.
  • Flow Converter (Volumetric) - Convert volumetric flow rate units including m³/s, L/min, GPM, CFM, m³/h for fluid and gas flow calculations.
  • Fluid Ounce Converters - Convert fluid ounces to milliliters, liters, cups, pints, quarts, gallons, and more.
  • Foot per Second Converter - Convert feet per second (ft/s) to miles per hour, km/h, m/s, knots, Mach and other speed units.
  • Foot-Pound Converters - Convert foot-pounds to joules, newton meters, calories, BTU, kilowatt-hours and other energy units.
  • Foot-Pounds to Inch-Pounds Converter - Convert torque from foot-pounds (lbf·ft) to inch-pounds (lbf·in), with newton meters and other torque units alongside.
  • Foot-pounds to Newton-meters Converter - Convert torque from foot-pounds (ft-lb) to Newton-meters (Nm). Essential for automotive, mechanical, and engineering applications.
  • Force Conversion - Convert between force units including Newtons, pounds-force, dynes, kilogram-force, and more
  • Frequency Converters - Convert between hertz, kilohertz, megahertz, gigahertz, terahertz, millihertz, microhertz, revolutions per second and other frequency units.
  • Frequency Wavelength Converter - Convert between frequency and wavelength for electromagnetic waves. Calculate wavelength from frequency or frequency from wavelength using the speed of light.
  • ft/s to mph - Convert feet per second to miles per hour, with km/h, m/s and knots shown alongside.
  • Fuel Consumption Converter - Convert fuel consumption between mpg (US), mpg (UK), L/100 km and km/L, and see one figure in all four units at once.
  • Fuel Efficiency (Mass) Converter - Convert mass-based fuel efficiency and emissions units: grams per kilometer, grams per mile, pounds per mile, ounces per mile and kilograms per 100 km.
  • Fuel Efficiency Volume Converter - Convert between volume-based fuel efficiency units including miles per gallon, liters per 100 km, and kilometers per liter.
  • Gallon Converters - Convert US and imperial gallons to liters, quarts, pints, cups, fluid ounces and other volume units.
  • Gallons to Liters - Convert US liquid gallons to liters and back, using the exact 231 cubic inch gallon of 3.785411784 liters.
  • Gallons To Liters Converter - Convert US gallons to liters instantly. Perfect for fuel, cooking, and liquid volume conversions to metric.
  • GB to MB Converter - Convert gigabytes (GB) to megabytes (MB), with gibibytes (GiB) to mebibytes (MiB) and other storage units shown alongside.
  • Gbps to kbps Converter - Convert gigabits per second (Gbps) to kilobits per second (kbps), megabits per second (Mbps) and other data rate units. Useful for network bandwidth.
  • Gbps to Mbps Converter - Convert gigabits per second (Gbps) to megabits per second (Mbps). Compare network and internet speeds in either unit.
  • Gigabit Converters - Convert gigabits to megabits, gigabytes, megabytes, terabits and other digital data units.
  • Gigabyte Converters - Convert gigabytes to megabytes, terabytes, gibibytes and other digital storage units.
  • Gigahenry Converters - Convert gigahenries to henries, kilohenries, megahenries, millihenries and other inductance units.
  • Gigajoule Converters - Convert gigajoules to and from various energy units including joules, kilowatt-hours, BTUs, calories, and more.
  • Gigavolt Converters - Convert gigavolts to megavolts, kilovolts, volts and other voltage units.
  • Gradian Converters - Convert between gradians (gons), degrees, radians and turns (revolutions).
  • Gram Converters - Convert grams to kilograms, milligrams, micrograms, pounds, ounces, US short tons, metric tons, grains and carats.
  • Gram-force Converter - Convert grams-force to newtons, dynes, kilograms-force, pounds-force and other force units.
  • Grams to Calories - Convert macronutrient grams (Protein, Carbs, Fat, Alcohol) into total calories instantly.
  • Grams to Cups Converter - Convert grams to cups based on the selected ingredient with accurate density calculations.
  • Grams to Ounces - Convert grams (g) to ounces (oz) with a precise result, and see other mass units alongside.
  • Grams To Ounces Converter - Convert grams to ounces instantly, for cooking, baking and everyday weights between metric and imperial.
  • Grams to Tablespoons Converter - Convert grams to tablespoons based on the selected ingredient with accurate density calculations.
  • Grams to Teaspoons Converter - Convert grams to teaspoons based on the selected ingredient with accurate density calculations.
  • Half Barrel Keg Converter - Convert half barrel keg measurements to gallons, liters, pints, and more with visual comparisons
  • Heat Density Converter - Convert heat density (energy per unit volume) between J/m3, kJ/m3, MJ/m3, Wh/m3, kWh/m3, kcal/m3, cal/cm3 and BTU/ft3.
  • Heat Flux Density Converter - Convert heat flux density between W/m2, kW/m2, MW/m2, W/ft2, BTU/(h ft2), BTU/(s ft2), cal/(s cm2) and kcal/(h m2).
  • Heat Transfer Coefficient Converter - Convert heat transfer coefficients between W/(m²·K), BTU/(h·ft²·°F), cal/(s·cm²·°C), kcal/(h·m²·°C) and other units.
  • Hectare Converters - Convert hectares to acres, square meters, square feet, square kilometers, square miles and other area units.
  • Height Converter - Convert height and length between centimeters, meters, feet and inches.
  • Hertz to RPM Converter - Convert frequency in hertz to revolutions per minute (RPM), with revolutions per second and other units alongside.
  • Hex Converter - Convert between Decimal, Hexadecimal, and Binary formats.
  • Hexadecimal Calculator & Converter - Perform hexadecimal arithmetic operations and convert between hex, decimal, binary, and octal number systems
  • Hexadecimal to Binary Converter - Convert hexadecimal numbers to binary with step-by-step expansion showing each hex digit as 4-bit nibble
  • Hexadecimal to Decimal Converter - Convert hexadecimal numbers to decimal with step-by-step calculation showing positional values
  • Hexadecimal to Octal Converter - Convert hexadecimal numbers to octal via binary intermediate representation
  • Horsepower Converter - Convert between mechanical, metric, electric and boiler horsepower, watts, kilowatts, BTU per hour and other power units.
  • Horsepower to Amps Calculator - Convert mechanical power in horsepower to electrical current in amps for single and three-phase motors
  • Horsepower to Kilowatts Converter - Convert horsepower to kilowatts and back, for mechanical, metric and electric horsepower.
  • Horsepower to kVA Calculator - Convert horsepower (HP) to kilovolt-amps (kVA) for motors and electrical equipment sizing
  • Horsepower to Watts Converter - Convert horsepower to watts and watts to horsepower, for mechanical, metric and electric horsepower.
  • Hours Calculator - Add or subtract hours and minutes to calculate total time or time differences.
  • How Old Was I Calculator - Determine how old you were on a specific past date based on your birth date, expressed in years, months, and days.
  • HSL to RGB Converter - Convert HSL color values to RGB and Hex formats instantly.
  • Illumination Converter - Convert illuminance (illumination) between lux, foot-candle, phot, nox and lumen per square meter or square centimeter.
  • Image Format Converter - Convert images between PNG, JPEG, WebP, AVIF, GIF, SVG, ICO, BMP, and TIFF, plus HEIC/HEIF input from Apple devices. Everything runs locally in your browser.
  • Image to PDF - Convert multiple images (JPG, PNG, WEBP) into a single, high-quality PDF document instantly.
  • Inch-Pound Converters - Convert between inch-pound (imperial) and metric units
  • Inch-Pounds to Foot-Pounds Converter - Convert torque from inch-pounds (lbf·in) to foot-pounds (lbf·ft), with newton meters and other torque units alongside.
  • Inch-Pounds to Newton-Meters Converter - Convert torque from inch-pounds (lbf·in) to newton meters (N·m), with foot-pounds and other torque units alongside.
  • Inches to Centimeters - Convert inches to centimeters, with the same length in millimeters, meters and feet.
  • Inches to Centimeters Converter - Convert inches to centimeters, with the same length in millimeters, meters and feet.
  • Inches To Feet Converter - Convert inches to feet, with the same length in yards, centimeters and meters.
  • Inches to Millimeters Converter - Convert inches to millimeters, with the same length in centimeters, meters and feet.
  • Inductance Converter - Convert inductance between henries, millihenries, microhenries, nanohenries and other units, including abhenries and stathenries.
  • International Clothing Size Converter - Convert between US, UK, EU, and Asian clothing sizes for men, women, and children
  • Joules to Volts Conversion Calculator - Convert energy in joules to voltage in volts using electric charge in coulombs
  • Joules to Watts Converter - Convert energy in joules to power in watts by specifying the time duration in seconds, minutes, or hours.
  • kbps to Mbps Converter - Convert kilobits per second (kbps) to megabits per second (Mbps). Useful for reading internet speeds and bandwidth.
  • kcal to cal - Convert kilocalories (kcal) to calories (cal) and vice versa.
  • Kelvin Converter - Convert temperatures between Kelvin, Celsius, Fahrenheit and Rankine instantly.
  • Kiloampere Converters - Convert kiloamperes to amperes, milliamperes, megaamperes and other electric current units.
  • Kilobit Converters - Convert kilobits to bits, bytes, kilobytes, megabits and other decimal and binary digital data units.
  • Kilobit per Second Converter - Convert kilobits per second (kbps) to bits, bytes, megabits, gigabits and other data transfer rate units.
  • Kilobyte Converters - Convert kilobytes to bytes, megabytes, gigabytes, kibibytes and other digital storage units.
  • Kilocalorie Converter - Convert kilocalories (kcal) to and from calories, joules, kilojoules, watt-hours and other energy units.
  • Kilocalorie per Hour Converter - Convert kilocalories per hour to watts, BTU per hour, horsepower and other power units.
  • Kilocalories to Joules Converter - Convert kilocalories (kcal) to joules (J) instantly. Essential energy unit conversion for nutrition, physics, and chemistry.
  • Kilogram Converters - Convert kilograms to pounds, ounces, grams, stones, tons and other mass units, and back again.
  • Kilogram-force Converters - Convert kilograms-force (kgf, also called kiloponds) to newtons, pounds-force, dynes and other force units.
  • Kilograms to Calories Converter - Convert kilograms of body weight to calories. Based on the approximation that 1 kg equals approximately 7,700 calories.
  • Kilograms to Pounds - Convert kilograms (kg) to pounds (lbs) with a precise result, and see other mass units alongside.
  • Kilohertz Converters - Convert kilohertz to hertz, megahertz, gigahertz, terahertz, millihertz, RPM and other frequency units.
  • Kilojoule Converters - Convert kilojoules to and from calories, kilocalories, watt-hours, BTU and other energy units.
  • Kilometer per Hour Converters - Convert km/h to mph, m/s, knots, feet per second and other speed units for travel, sports and weather.
  • Kilometer per Liter Converters - Convert between km/L, L/100km, MPG (US), and MPG (UK) fuel efficiency units.
  • Kilometer per Second Converters - Convert km/s to m/s, km/h, mph, knots, Mach and fractions of the speed of light.
  • Kilometers per kWh to kWh per 100 km Converter - Convert EV efficiency from km/kWh to kWh/100km energy consumption rate.
  • Kilometers per kWh to kWh per 100 Miles Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to kilowatt-hours per 100 miles.
  • Kilometers per kWh to Miles per kWh Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to miles per kilowatt-hour.
  • Kilometers per kWh to MPGe Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to miles per gallon equivalent (MPGe).
  • Kilometers per Liter to Liters per 100 km Converter - Convert fuel efficiency from km/L to L/100km with this free calculator.
  • Kilometers per Liter to Miles per Gallon (UK) Converter - Convert fuel efficiency from km/L to MPG UK with this free calculator.
  • Kilometers to Miles Converter - Convert kilometers to miles, with the same distance in meters, feet and nautical miles.
  • Kilonewton Converters - Convert kilonewtons to newtons, pounds-force, kips and other force units.
  • kiloohms to Ω - Convert kiloohms (kΩ) to ohms (Ω) instantly
  • Kilosiemens Converter - Convert kilosiemens to siemens, megasiemens, gigasiemens, kilomhos and other conductance units.
  • Kilovolt Converters - Convert kilovolts to volts, millivolts, megavolts and other voltage units.
  • Kilovolts to Volts Converter - Convert kilovolts (kV) to volts (V), and back, instantly.
  • Kilowatt Converters - Convert kilowatts to watts, megawatts, horsepower, BTU per hour and other power units.
  • Kilowatt-hour Converters - Convert kilowatt-hours (kWh) to and from other energy units including joules, BTU, calories, and more.
  • Kilowatt-hour per 100 kilometers Converter - Convert kilowatt-hours per 100 kilometers to kWh per 100 miles, km per kWh, miles per kWh, MPGe, Wh/km and other EV efficiency units.
  • Kilowatt-hour per 100 Miles Converters - Convert kilowatt-hours per 100 miles to kilowatt-hours per 100 kilometers, miles per kWh, km per kWh, MPGe and other EV efficiency units.
  • Kilowatts to Amps Calculator - Convert power in kilowatts to electrical current (amps) for DC, single-phase AC, and three-phase AC circuits
  • Kilowatts to Horsepower Converter - Convert kilowatts to horsepower and back, for mechanical, metric and electric horsepower.
  • km per kWh to kWh per 100 Miles Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to kilowatt-hours per 100 miles.
  • km per kWh to Miles per kWh Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to miles per kilowatt-hour.
  • km per kWh to MPGe Converter - Convert electric vehicle efficiency from kilometers per kilowatt-hour to miles per gallon equivalent (MPGe).
  • km/h to mph Converter - Convert kilometers per hour to miles per hour, with m/s, knots and feet per second shown alongside.
  • km/L to mpg - Convert kilometers per liter to miles per gallon, US or UK, with L/100 km shown alongside.
  • Kph to Mph Converter - Convert kilometers per hour (kph) to miles per hour (mph), with m/s, knots and feet per second shown alongside.
  • kVA to Amps Converter - Convert kilovolt-amps (kVA) to amps for single phase and three phase electrical systems
  • kVA to kW Calculator - Convert kilovolt-amps (kVA) to kilowatts (kW) using power factor for real power calculations
  • kVA to VA Calculator - Convert kilovolt-amps (kVA) to volt-amps (VA) for UPS, transformer, and power supply sizing.
  • kVA to Watts Calculator - Convert kilovolt-amps (kVA) to watts (W) using power factor for accurate power calculations
  • kW to kVA Calculator - Convert kilowatts (kW) to kilovolt-amps (kVA) using power factor for generator and UPS sizing
  • kW to kWh Calculator - Convert kilowatts (kW) to kilowatt-hours (kWh) based on time period for energy consumption calculation
  • kW to VA Calculator - Convert kilowatts (kW) to volt-amps (VA) using power factor for electrical equipment sizing
  • kWh per 100 km to Kilometers per kWh Converter - Convert electric vehicle energy consumption from kilowatt-hours per 100 kilometers to kilometers per kilowatt-hour.
  • kWh per 100 km to km per kWh Converter - Convert electric vehicle efficiency from kilowatt-hours per 100 kilometers to kilometers per kilowatt-hour.
  • kWh per 100 km to kWh per 100 Miles Converter - Convert electric vehicle energy consumption from kilowatt-hours per 100 kilometers to kilowatt-hours per 100 miles.
  • kWh per 100 km to Miles per kWh Converter - Convert electric vehicle energy consumption from kilowatt-hours per 100 kilometers to miles per kilowatt-hour.
  • kWh per 100 km to MPGe Converter - Convert electric vehicle energy consumption from kilowatt-hours per 100 kilometers to miles per gallon equivalent (MPGe).
  • kWh per 100 Miles to Kilometers per kWh Converter - Convert electric vehicle energy consumption from kilowatt-hours per 100 miles to kilometers per kilowatt-hour.
  • kWh to Amp-Hours Calculator - Convert kilowatt-hours (kWh) to amp-hours (Ah) for battery capacity and energy storage calculations
  • kWh to kW Calculator - Convert kilowatt-hours (kWh) to kilowatts (kW) based on time period for power consumption analysis
  • kWh to Watts Calculator - Convert kilowatt-hours (kWh) to watts based on time period for power consumption analysis
  • kWh/100 km to kWh/100 Miles Converter - Convert kilowatt-hours per 100 kilometers to kilowatt-hours per 100 miles for electric vehicle energy consumption comparison.
  • kWh/100 km to Miles per kWh Converter - Convert kilowatt-hours per 100 kilometers to miles per kilowatt-hour for electric vehicle efficiency comparison.
  • kWh/100 km to MPGe Converter - Convert kilowatt-hours per 100 kilometers to Miles Per Gallon Equivalent (MPGe) for EPA electric vehicle efficiency comparison.
  • kWh/100 Miles to km per kWh Converter - Convert kilowatt-hours per 100 miles to kilometers per kilowatt-hour for electric vehicle efficiency comparison.
  • kWh/100mi to kWh/100km Converter - Convert kilowatt-hours per 100 miles to kilowatt-hours per 100 kilometers for EV efficiency comparison.
  • kWh/100mi to mi/kWh Converter - Convert kilowatt-hours per 100 miles to miles per kilowatt-hour for EV efficiency.
  • kWh/100mi to MPGe Converter - Convert kilowatt-hours per 100 miles to miles per gallon gasoline equivalent (MPGe).
  • L/100km to MPG Converter - Convert liters per 100 kilometers to miles per gallon, US or UK, with km/L shown alongside.
  • LED Resistor Calculator - Calculate the correct resistor value needed to safely power an LED from a given voltage source
  • Length Conversion - Convert between common length units (in, cm, ft, m).
  • Length Converter - Convert length and distance between metric and imperial units, from millimeters to miles.
  • Linear Charge Density Converter - Convert linear charge density between coulomb per meter, coulomb per centimeter, microcoulomb per meter, nanocoulomb per meter and more.
  • Linear Current Density Converter - Convert between linear current density units: ampere per meter (A/m), ampere per centimeter, milliampere per meter, and more.
  • Liter Converters - Convert liters to milliliters, gallons, quarts, pints, cups, fluid ounces, cubic feet and other volume units.
  • Liter per 100 Kilometers Converter - Convert fuel consumption between L/100 km, mpg (US), mpg (UK) and km/L.
  • Liters per 100 km to Kilometers per Liter Converter - Convert fuel consumption from L/100km to km/L with this free calculator.
  • Liters per 100 km to Miles per Gallon (UK) Converter - Convert fuel consumption from L/100km to MPG UK with this free calculator.
  • Liters To Gallons Converter - Convert liters to US gallons instantly. Essential for fuel, beverages, and liquid volume conversions.
  • Liters to kg Converter - Convert liters to kilograms for common liquids based on density
  • Luminance Converter - Convert luminance between candela per square meter (nit), stilb, apostilb, lambert, millilambert, footlambert and more.
  • Luminous Intensity Converter - Convert luminous intensity between candela, kilocandela, millicandela, microcandela and lumen per steradian.
  • Mach Number Converter - Convert Mach numbers to m/s, km/h, mph, knots and feet per second, and back again.
  • Magnetic Field Strength Converter - Convert between magnetic field strength units including amperes per meter, oersteds, and related units.
  • Magnetic Flux Converter - Convert magnetic flux between weber, maxwell, volt-second, tesla square meter, gauss square centimeter, flux quantum and metric prefixes.
  • Magnetic Flux Density Converter - Convert magnetic flux density between tesla, gauss, millitesla, microtesla, nanotesla, gamma and weber per square meter.
  • Magnetomotive Force Converter - Convert magnetomotive force between ampere-turns, gilberts, kiloampere-turns and milliampere-turns.
  • mAh to Watt-Hours Calculator - Convert milliamp-hours (mAh) to watt-hours (Wh) for battery energy calculations
  • Mass Flow Rate Converter - Convert mass flow rate units including kg/s, kg/h, lb/s, lb/h, ton/h for industrial and chemical process calculations.
  • Mass Flux Density Converter - Convert mass flux density (mass flow per unit area) between kg/(m²·s), kg/(m²·h), g/(cm²·s), lb/(ft²·s), lb/(ft²·h) and other units.
  • MB to GB Converter - Convert megabytes (MB) to gigabytes (GB), with mebibytes (MiB) to gibibytes (GiB) and other storage units shown alongside.
  • Mbps to Gbps Converter - Convert megabits per second (Mbps) to gigabits per second (Gbps) for network speeds.
  • Mbps to kbps Converter - Convert megabits per second (Mbps) to kilobits per second (kbps) for network speeds.
  • Megaampere Converters - Convert megaamperes to kiloamperes, amperes, milliamperes and other electric current units.
  • Megabit Converters - Convert megabits to megabytes, kilobits, gigabits, bytes and other digital data units.
  • Megabit per Second Converters - Convert megabits per second (Mbps) to kilobits, gigabits, megabytes per second and other data transfer rate units.
  • Megabyte Converters - Convert megabytes to kilobytes, gigabytes, terabytes, mebibytes and other digital storage units.
  • Megacalorie Converters - Convert megacalories to other energy units including kilocalories, joules, kilojoules, BTU, and watt-hours.
  • Megahenry Converters - Convert megahenries to henries, kilohenries, millihenries and other inductance units.
  • Megahertz Converters - Convert megahertz to hertz, kilohertz, gigahertz, terahertz, radians per second, RPM and other frequency units.
  • Megajoule Converters - Convert megajoules to and from joules, kilowatt-hours, calories, BTU, therms and other energy units.
  • Meganewton Converters - Convert meganewtons to newtons, kilonewtons, pounds-force, kips, tonnes-force and other force units.
  • Megaohm Converter - Convert megaohms to ohms, kiloohms, gigaohms and other resistance units.
  • Megasiemens Converter - Convert megasiemens to siemens, kilosiemens, millisiemens, mhos, megamhos and other conductance units.
  • Megawatt Converters - Convert megawatts to watts, kilowatts, gigawatts, horsepower, BTU per hour and other power units.
  • Meter per Second Converter - Convert meters per second (m/s) to km/h, mph, knots, feet per second and Mach.
  • Meter Per Second Converters - Convert m/s to and from km/h, mph, feet per second, knots, Mach and other speed units.
  • Meters to Feet - Convert meters to feet, with the same length in inches, yards and centimeters.
  • Meters to Yards Converter - Convert meters to yards, with the same length in feet, inches and centimeters.
  • Metric to Imperial Converter - Convert between metric and imperial units for length, weight, volume, and temperature
  • Metric Ton Converters - Convert metric tons (tonnes) to kilograms, grams, pounds, ounces, short tons and long tons.
  • mg to mL Converter - Convert milligrams to milliliters and vice versa using substance density for medications and solutions
  • Mho Converters - Convert mhos (℧) to siemens, millisiemens, microsiemens, kilomhos and other conductance units.
  • Microampere Converters - Convert microamperes to milliamperes, amperes, nanoamperes, picoamperes and other electric current units.
  • Microcoulomb Converters - Convert microcoulombs to coulombs, millicoulombs, nanocoulombs, picocoulombs, abcoulombs, and statcoulombs.
  • Microfarad Converters - Convert microfarads to farads, millifarads, nanofarads, picofarads and other capacitance units.
  • Microfarads to Farads Converter - Convert microfarads to farads and back, with millifarads, nanofarads and picofarads shown alongside.
  • Microhenry Converters - Convert microhenries to henries, millihenries, nanohenries and other inductance units for coils and inductors.
  • Micrometer Converters - Convert micrometers (microns) to millimeters, nanometers, meters, thou (mils) and inches.
  • Micromho Converters - Convert micromhos (µ℧) to microsiemens, millisiemens, siemens, mhos and other conductance units.
  • Microohm Converters - Convert microohms to and from ohms, milliohms, nanoohms, kiloohms, megaohms and other resistance units.
  • Microsecond Converters - Convert microseconds to and from milliseconds, seconds, minutes, nanoseconds, and other time units.
  • Microseconds Converter - Convert microseconds to and from nanoseconds, milliseconds, seconds, and other time units.
  • Microsiemens Converters - Convert microsiemens (µS) to siemens, millisiemens, micromhos, mhos and other conductance units.
  • Microvolt Converters - Convert microvolts to volts, millivolts, nanovolts, picovolts and other voltage units.
  • Microwatt Converters - Convert microwatts to milliwatts, watts, nanowatts, picowatts, kilowatts and other power units.
  • Mil Converters - Convert mils (thou, thousandths of an inch) to inches, millimeters, micrometers and feet.
  • Mile Per Gallon (UK) Converters - Convert miles per gallon (UK/Imperial) to and from MPG (US), L/100km, km/L, and other fuel economy units.
  • Mile per Gallon (US) Converters - Convert US miles per gallon to L/100km, km/L, UK mpg, and other fuel efficiency units.
  • Mile Per Gallon Gasoline Equivalent (MPGe) Converters - Convert MPGe to and from miles per kWh, km per kWh, kWh per 100 miles, kWh per 100 km, and other EV efficiency units.
  • Mile Per Hour Converters - Convert mph to and from km/h, m/s, feet per second, knots and Mach.
  • Mile Per Kilowatt-Hour Converters - Convert miles per kWh to and from km per kWh, kWh per 100 miles, kWh per 100 km, MPGe, and other EV efficiency units.
  • Miles per Gallon (UK) to Kilometers per Liter Converter - Convert fuel efficiency from MPG UK to km/L with this free calculator.
  • Miles per Gallon (UK) to Liters per 100 km Converter - Convert fuel efficiency from MPG UK to L/100km with this free calculator.
  • Miles per Gallon (UK) to Miles per Gallon (US) Converter - Convert fuel efficiency from UK MPG to US MPG with this free calculator.
  • Miles per Gallon (US) to Miles per Gallon (UK) Converter - Convert fuel efficiency from US MPG to UK MPG with this free calculator.
  • Miles per kWh to Kilometers per kWh Converter - Convert electric vehicle efficiency from miles per kilowatt-hour to kilometers per kilowatt-hour.
  • Miles per kWh to kWh per 100 km Converter - Convert electric vehicle efficiency from miles per kilowatt-hour to kilowatt-hours per 100 kilometers.
  • Miles per kWh to kWh per 100 Miles Converter - Convert miles per kilowatt-hour to kilowatt-hours per 100 miles for comparing electric vehicle energy consumption.
  • Miles per kWh to MPGe Converter - Convert miles per kilowatt-hour to Miles Per Gallon Equivalent (MPGe) for EPA electric vehicle efficiency ratings.
  • Miles To Kilometers Converter - Convert miles to kilometers, with the same distance in meters, feet and nautical miles.
  • Miles to Steps Calculator - Convert miles to estimated steps based on stride length
  • Miles/kWh to kWh/100km Converter - Convert electric vehicle efficiency from miles per kilowatt-hour to kilowatt-hours per 100 kilometers.
  • Military Time Converter - Convert between 12-hour AM/PM format and 24-hour military time instantly.
  • Milliampere Converters - Convert milliamperes to amperes, microamperes, nanoamperes and other electric current units.
  • Milliampere-Hour Converters - Convert milliampere-hours (mAh) to and from ampere-hours, coulombs, and other charge units.
  • Milliamperes to Amps Converter - Convert milliamperes (mA) to amperes (A) with instant results, plus other electric current units.
  • Millibar Converters - Convert millibars to hectopascals, inches of mercury, pascals, kilopascals, bar, atmospheres, psi, torr and mmHg.
  • Millicoulomb Converters - Convert millicoulombs (mC) to coulombs, microcoulombs, nanocoulombs, picocoulombs, ampere-hours, and other electric charge units.
  • Millifarad Converters - Convert millifarads to farads, microfarads, nanofarads, picofarads and other capacitance units.
  • Milligram Converters - Convert milligrams to grams, micrograms, kilograms, ounces, pounds and grains, and back again.
  • Millihenry Converters - Convert millihenries to henries, microhenries, nanohenries and other inductance units for coils and inductors.
  • Milliliter Converters - Convert milliliters to and from liters, cups, tablespoons, teaspoons, fluid ounces, pints, quarts, and gallons.
  • Milliliters to Cups Converter - Convert milliliters to cups for cooking and baking recipes. Essential for following international recipes and precise measurements.
  • Millimeter Converters - Convert millimeters to centimeters, meters, inches, feet, yards and micrometers.
  • Millimeters to Inches Converter - Convert millimeters to inches, with the same length in centimeters, meters and feet.
  • Milliohm Converters - Convert milliohms to and from ohms, microohms, kiloohms, megaohms and other resistance units.
  • Million BTU Converters - Convert million BTU (MMBTU) to therms, kilowatt-hours, megajoules, gigajoules, and other energy units.
  • Milliradians to Degrees Converter - Convert milliradians (mrad) to degrees, and back, for scopes, surveying and precision optics.
  • Millisecond Converters - Convert milliseconds to and from seconds, minutes, hours, microseconds, nanoseconds, and other time units.
  • Milliseconds Converter - Convert milliseconds to and from seconds, minutes, hours, and other time units.
  • Millisiemens Converters - Convert millisiemens (mS) to siemens, microsiemens, millimhos, mhos and other conductance units.
  • Millivolt Converters - Convert millivolts to volts, microvolts, nanovolts, kilovolts and other voltage units.
  • Millivolts to Volts Converter - Convert millivolts (mV) to volts (V), and back, instantly.
  • Milliwatt Converters - Convert milliwatts to watts, microwatts, kilowatts, horsepower, BTU per hour and other power units.
  • Minute Converters - Convert minutes to and from seconds, hours, days, weeks, milliseconds, and other time units.
  • Minute of Arc Converters - Convert minutes of arc (arcminutes) to and from degrees, radians, seconds of arc and other angle units.
  • Minutes Converter - Convert minutes to and from other time units including seconds, hours, days, and weeks.
  • MJ to kWh Converter - Convert megajoules to kilowatt-hours for energy calculations.
  • mL to g - Convert milliliters to grams for various substances
  • MMBTU to MWh Converter - Convert million BTU to megawatt-hours for energy industry calculations.
  • Molar Concentration Converter - Convert molar concentration units including mol/L, mmol/L, μmol/L, mol/m³ for chemistry and biochemistry calculations.
  • Molar Flow Rate Converter - Convert molar flow rate units including mol/s, kmol/h, lbmol/h for chemical engineering and reaction calculations.
  • Moment of Force Converter - Convert moment of force (torque) between newton meters, foot-pounds, inch-pounds, kilogram-force meters and other torque units.
  • Moment of Inertia Converter - Convert moment of inertia between kg m2, g cm2, kg cm2, lb ft2, lb in2, oz in2 and slug ft2.
  • Month Converters - Convert months to and from weeks, days, hours, years, decades, and other time units.
  • Months Converter - Convert months to and from days, weeks, years, and other time units.
  • Mouse Sensitivity Converter - Convert mouse sensitivity settings between games to maintain muscle memory
  • MPG to km/L Converter - Convert miles per US gallon to kilometers per liter, with mpg (UK), L/100 km and L/km shown alongside.
  • MPG to L/100km Converter - Convert miles per US gallon (mpg US) to liters per 100 kilometers, or back the other way.
  • MPGe to km/kWh Converter - Convert miles per gallon gasoline equivalent (MPGe) to kilometers per kilowatt-hour for comparing electric vehicle efficiency in metric units.
  • MPGe to kWh per 100 km Converter - Convert Miles Per Gallon Equivalent (MPGe) to kilowatt-hours per 100 kilometers for comparing electric vehicle energy consumption internationally.
  • MPGe to kWh per 100 Miles Converter - Convert Miles Per Gallon Equivalent (MPGe) to kilowatt-hours per 100 miles for electric vehicle energy consumption comparison.
  • MPGe to kWh/100 Miles Converter - Convert miles per gallon gasoline equivalent (MPGe) to kilowatt-hours per 100 miles for electric vehicle efficiency comparison.
  • MPGe to kWh/100mi Converter - Convert Miles Per Gallon equivalent (MPGe) to kilowatt-hours per 100 miles for electric vehicle efficiency comparison.
  • MPGe to Miles per kWh Converter - Convert Miles Per Gallon Equivalent (MPGe) to miles per kilowatt-hour for comparing electric vehicle efficiency.
  • MPH to km/h Converter - Convert miles per hour to kilometers per hour, with m/s, knots and feet per second shown alongside.
  • MPH to KPH Converter - Convert miles per hour (mph) to kilometers per hour (kph), with m/s, knots and feet per second shown alongside.
  • mph to m/s Converter - Convert miles per hour to meters per second, with km/h and feet per second shown alongside.
  • MWh to kWh Converter - Convert megawatt-hours to kilowatt-hours for electricity calculations.
  • MΩ to Ω Converter - Convert megaohms (MΩ) to ohms (Ω) and back, with the same value in other electrical resistance units.
  • Nanoampere Converters - Convert nanoamperes to microamperes, milliamperes, amperes, picoamperes and other electric current units.
  • Nanocoulomb Converters - Convert nanocoulombs (nC) to coulombs, millicoulombs, microcoulombs, picocoulombs, abcoulombs, and statcoulombs.
  • Nanofarad Converters - Convert nanofarads to farads, microfarads, picofarads and other capacitance units.
  • Nanofarads to Farads Converter - Convert nanofarads to farads and back, with millifarads, microfarads and picofarads shown alongside.
  • Nanometer Converters - Convert nanometers to micrometers, angstroms, picometers, millimeters, meters and inches.
  • Nanoohm Converters - Convert nanoohms to ohms, milliohms, microohms, kiloohms, megaohms and other resistance units.
  • Nanosecond Converters - Convert nanoseconds to and from microseconds, milliseconds, seconds, picoseconds, and other time units.
  • Nanoseconds Converter - Convert nanoseconds to and from microseconds, milliseconds, seconds, and other time units.
  • Nanovolt Converters - Convert nanovolts to volts, millivolts, microvolts, picovolts and other voltage units.
  • Newton Converter - Convert newtons to pounds-force, kilograms-force, dynes and other force units.
  • Newton-Meter Converters - Convert newton meters to foot-pounds, inch-pounds, kilogram-force meters and other torque units.
  • Newton-meters to Foot-pounds Converter - Convert torque from newton meters (N·m) to foot-pounds (lbf·ft), with inch-pounds and other torque units alongside.
  • Newton-meters to Inch-pounds Converter - Convert torque from newton meters (N·m) to inch-pounds (lbf·in), with foot-pounds and other torque units alongside. Useful for small fasteners.
  • Numbers Converter - Convert numbers between different formats: words, Roman numerals, scientific notation, and more.
  • Octal to Binary Converter - Convert octal numbers to binary with step-by-step expansion showing each octal digit as 3-bit group
  • Octal to Decimal Converter - Convert octal numbers to decimal with step-by-step positional value breakdown
  • Octal to Hexadecimal Converter - Convert octal numbers to hexadecimal via binary intermediate representation
  • Ohm Converters - Convert ohms to and from milliohms, microohms, kiloohms, megaohms, gigaohms and other resistance units.
  • Ounce Converters - Convert ounces to grams, pounds, kilograms, milligrams, stones, metric tons and troy ounces.
  • Ounce-Force Converters - Convert ounces-force (ozf) to newtons, pounds-force, grams-force, kilograms-force, dynes and other force units.
  • Ounces to Grams - Convert ounces (oz) to grams (g) with a precise result, and see other mass units alongside.
  • Ounces To Grams Converter - Convert ounces to grams instantly, for cooking, baking and weights from imperial to metric.
  • Ounces to Pounds Converter - Convert ounces (oz) to pounds (lb) instantly for cooking, shipping and everyday use.
  • Parallel Plate Capacitance Calculator - Calculate capacitance of a parallel plate capacitor from plate area, separation, and dielectric constant
  • Parallel Resistor Calculator - Calculate the total resistance of resistors connected in parallel using the parallel resistance formula.
  • Pascal Converters - Convert pascals to bar, PSI, atmospheres, torr, mmHg and other pressure units.
  • PDF to Image - Convert PDF pages into high-quality JPG or PNG images instantly in your browser.
  • Peak Voltage Calculator - Calculate peak voltage from RMS voltage or peak-to-peak voltage for AC circuits
  • Peak-to-Peak Voltage Calculator - Calculate peak-to-peak voltage from RMS or peak voltage values for AC waveforms
  • Percent to Time Converter - Convert percentages to time durations and back. Find how much time equals 10% of a day, 25% of a year, or any percentage of any time period.
  • Permeability Converter - Convert magnetic permeability between henry per meter, microhenry per meter, nanohenry per meter, tesla meter per ampere and equivalent units.
  • Picocoulomb Converters - Convert picocoulombs (pC) to coulombs, millicoulombs, microcoulombs, nanocoulombs, and other electric charge units.
  • Picofarad Converters - Convert picofarads to farads, microfarads, nanofarads, femtofarads and other capacitance units.
  • Picofarads to Farads Converter - Convert picofarads to farads and back, with millifarads, microfarads and nanofarads shown alongside.
  • Pinch Converters - Convert pinches to teaspoons, tablespoons, milliliters, and other cooking measurements
  • Pint Converters - Convert pints to and from liters, milliliters, cups, quarts, gallons, and fluid ounces.
  • Pound Converters - Convert pounds to kilograms, ounces, grams, stones, tonnes and other weight units, including troy pounds and ounces.
  • Pound-Force Converters - Convert pounds-force (lbf) to newtons, kilonewtons, ounces-force, kilograms-force, dynes and other force units.
  • Poundal Converters - Convert poundals (pdl) to newtons, pounds-force, dynes, kilograms-force and other force units.
  • Pounds to Calories Converter - Convert pounds of body weight to calories. Based on the approximation that 1 pound equals approximately 3,500 calories.
  • Pounds to Kilograms - Convert pounds (lbs) to kilograms (kg) with a precise result, and see other mass units alongside.
  • Pounds to Newtons Converter - Convert pounds-force (lbf) to newtons (N) and back.
  • Pounds to Ounces Converter - Convert pounds (lb) to ounces (oz) instantly for cooking, shipping and everyday use.
  • Power Conversion - Convert between watts, kilowatts, horsepower, BTU/hour, and other power units
  • Power Factor Calculator - Calculate power factor, real power, reactive power, and apparent power for AC electrical circuits.
  • Prefixes Converter - Convert a number between SI metric prefixes, from quecto to quetta, such as kilo to milli or mega to micro.
  • Pressure Conversion - Convert between PSI, bar, Pascal, atmosphere, mmHg, and other pressure units
  • Quad Converters - Convert quads (quadrillion BTU) to exajoules, petajoules, terawatt-hours, tonnes of oil equivalent and other large energy units.
  • Quart Converters - Convert quarts to and from liters, milliliters, cups, pints, gallons, and fluid ounces.
  • Quarter Barrel Keg Converters - Convert quarter barrel kegs (pony kegs) to US gallons, liters, pints, fluid ounces and other beer barrel sizes.
  • rad to deg Converter - Quick radians to degrees converter for trigonometry and angle calculations.
  • Radian Per Second Converters - Convert radians per second to RPM, revolutions per second, degrees per second and other angular velocity units.
  • Radian Unit Converters - Convert radians to degrees, gradians, turns, milliradians, arcminutes and arcseconds.
  • Radians per Second to RPM Converter - Convert angular velocity from radians per second (rad/s) to revolutions per minute (RPM) and vice versa.
  • Radians to Degrees Converter - Convert radians to degrees for trigonometry and angle calculations, and back.
  • Radiation Absorbed Dose Converter - Convert absorbed radiation dose between gray, rad, centigray, milligray, microgray, millirad and joule per kilogram.
  • Radiation Activity Converter - Convert radioactivity between becquerel, curie, millicurie, microcurie, rutherford and metric prefixes of becquerel.
  • Radiation Converter - Convert radiation dose equivalent between sievert, millisievert, microsievert, rem and millirem.
  • Radiation Exposure Converter - Convert radiation exposure between coulomb per kilogram, roentgen, milliroentgen and microroentgen.
  • Rankine Converters - Convert temperatures between Rankine and Fahrenheit, Celsius, and Kelvin scales.
  • Resistance Calculator - Calculate electrical resistance, voltage, current, and power using Ohm's Law.
  • Resistor Capacitor Circuit Calculator - Calculate RC circuit time constants, voltage decay, and current decay. Find charging/discharging curves and time to reach specific voltage levels.
  • Revolution Per Minute Converters - Convert RPM to and from radians per second, degrees per second, revolutions per second and other angular velocity units.
  • Revolution Unit Converters - Convert revolutions (turns) to degrees, radians, gradians, milliradians, arcminutes and arcseconds.
  • RLC Impedance Calculator - Calculate total impedance, reactance, and phase angle for series and parallel RLC circuits
  • RMS Voltage Calculator - Calculate RMS (Root Mean Square) voltage from peak or peak-to-peak voltage values
  • RPM to Hertz Converter - Convert rotational speed in revolutions per minute (RPM) to frequency in hertz (Hz), with other frequency units alongside.
  • RPM to rad/s Converter - Convert rotational speed from RPM (revolutions per minute) to radians per second and other angular velocity units.
  • Second Converters - Convert seconds to and from minutes, hours, days, milliseconds, microseconds, nanoseconds, and other time units.
  • Second of Arc Converters - Convert seconds of arc (arcseconds) to and from degrees, radians, minutes of arc and other angle units.
  • Seconds Converter - Convert seconds to and from other time units including milliseconds, minutes, hours, days, and weeks.
  • Series and Parallel Capacitor Calculator - Calculate equivalent capacitance for capacitors connected in series or parallel configurations
  • Series Resistor Calculator - Calculate the total resistance of resistors connected in series by adding their individual values.
  • Siemens Converters - Convert siemens to millisiemens, microsiemens, kilosiemens, megasiemens, mhos and other conductance units.
  • Six-Pack Converters - Convert six-packs to bottles, cans, liters, gallons, cases, and other beverage volume measurements
  • Smidgen Converters - Convert smidgens to pinches, dashes, teaspoons, milliliters, and other tiny cooking measurements
  • Solution Concentration Converter - Convert solution concentration units including g/L, mg/L, %, ppm, ppb for water quality and chemical analysis
  • Sound Converter - Convert between sound units including decibels, bels, nepers, and sound intensity levels
  • Specific Heat Capacity Converter - Convert specific heat capacity between J/(kg·K), kJ/(kg·K), J/(g·°C), cal/(g·°C), kcal/(kg·°C) and BTU/(lb·°F).
  • Specific Volume Converter - Convert specific volume (volume per unit mass) between m3/kg, L/kg, mL/g, cm3/g, ft3/lb, in3/lb and US gallons per pound.
  • Speed of Light Converters - Convert multiples and fractions of the speed of light (c) to and from m/s, km/s, km/h, mph, feet per second and Mach.
  • Speed of Sound Converters - Convert Mach numbers to and from m/s, km/h, mph, knots and feet per second.
  • Speed Unit Conversions - Convert between common speed units like km/h, mph, m/s, knots and feet per second.
  • Square Centimeter Converters - Convert cm² to and from square meters, square inches, square feet, square millimeters, and other area units.
  • Square Feet to Acres Converter - Convert square feet to acres, or acres back to square feet, using the international acre of exactly 43,560 square feet.
  • Square Feet to Square Meters Converter - Convert square feet (sq ft) to square meters (sq m) instantly.
  • Square Foot Converters - Convert square feet to and from other area units including sq m, sq km, acres, hectares.
  • Square Footage Calculator - Calculate square footage from width and length.
  • Square Inch Converters - Convert square inches to and from square feet, square centimeters, square meters, and other area units.
  • Square Kilometer Converters - Convert square kilometers to and from square miles, hectares, acres, square meters, and other area units.
  • Square Meter Converters - Convert square meters to and from other area units including sq ft, sq km, acres, hectares.
  • Square Meters to Square Feet Converter - Convert square meters (sq m) to square feet (sq ft) instantly.
  • Square Mile Converters - Convert square miles to and from square kilometers, hectares, acres, square feet, and other area units.
  • Square Millimeter Converters - Convert square millimeters to and from square centimeters, square inches, square meters, and other area units.
  • Square Yard Converters - Convert square yards to and from square feet, square meters, acres, square inches, and other area units.
  • Steps to Calories Calculator - Convert steps to calories burned based on weight and walking pace
  • Steps to Kilometers Calculator - Convert steps to kilometers and miles based on stride length
  • Steps to Miles Calculator - Convert steps to miles and kilometers based on stride length
  • Stick of Butter Converters - Convert sticks of butter to cups, tablespoons, grams, ounces, and other baking measurements
  • Stone Converters - Convert stones to pounds, kilograms, ounces, grams, milligrams and metric tons, and back again.
  • Surface Charge Density Converter - Convert surface charge density between coulomb per square meter, coulomb per square centimeter, microcoulomb per square meter and more.
  • Surface Current Density Converter - Convert between current density units: ampere per square meter (A/m²), ampere per square centimeter, milliampere per square meter, and more.
  • Surface Tension Converter - Convert between surface tension units: newton per meter (N/m), millinewton per meter, dyne per centimeter, erg per square centimeter, and more.
  • SVG to PNG Converter - Convert vector SVG graphics into high-resolution transparent PNG images instantly.
  • Tablespoon Converters - Convert tablespoons to teaspoons, milliliters, cups, fluid ounces and other volume units, for US, metric and Australian tablespoons.
  • Tablespoons to Cups Converter - Convert US tablespoons to cups, with teaspoons, fluid ounces, milliliters and liters shown alongside.
  • Tablespoons to Grams Converter - Convert tablespoons to grams based on the selected ingredient with accurate density calculations.
  • Tablespoons to Sticks of Butter Converter - Convert tablespoons to sticks of butter and vice versa for baking recipes with instant results
  • Tbsp to Cups - Convert tablespoons to cups using standard volume conversion ratios.
  • Teaspoon Converters - Convert teaspoons to and from tablespoons, milliliters, cups, fluid ounces, and other volume units.
  • Teaspoons to Grams Converter - Convert teaspoons to grams based on the selected ingredient with accurate density calculations.
  • Temperature Converter - Convert temperatures instantly between Celsius, Fahrenheit, Kelvin, and Rankine.
  • Temperature Interval Converter - Convert temperature differences and intervals between Celsius, Fahrenheit, Kelvin, and Rankine scales
  • Terahertz Converters - Convert terahertz (THz) to hertz, kilohertz, megahertz, gigahertz, wavelength, and wavenumber for spectroscopy and imaging.
  • Therm Converters - Convert therms to and from BTU, joules, kilowatt-hours, and other energy units.
  • Thermal Conductivity Converter - Convert thermal conductivity between W/(m·K), BTU/(h·ft·°F), BTU·in/(h·ft²·°F), cal/(s·cm·°C) and other units.
  • Thermal Expansion Coefficient Converter - Convert thermal expansion coefficients between per Celsius, per Fahrenheit, per kelvin, and parts per million units.
  • Thermal Resistance Converter - Convert thermal resistance units including K/W, °C/W, K/kW and °F·h/BTU for heat transfer and heat sink calculations.
  • Time Card Calculator - Calculate total hours worked based on clock-in and clock-out times, including breaks and multiple shifts.
  • Time Converter - Convert between time units: milliseconds, seconds, minutes, hours, days, weeks, months, years, decades and centuries.
  • Time to Percent Converter - Convert between time units and percentages. Find what percent of a day, month, or year any time span represents, or calculate time from a percentage.
  • Ton Converters - Convert metric tons, US short tons and UK long tons to pounds, kilograms, ounces, grams and stones.
  • Torque Converter - Convert torque between Newton-meters, foot-pounds, inch-pounds, and kilogram-force meters with instant calculations and visual comparisons
  • Torque Unit Converter - Convert between torque units including newton meters, foot-pounds, inch-pounds and kilogram-force meters, for automotive and engineering use.
  • Torr Converters - Convert torr to pascals, kilopascals, atmospheres, psi, bar, millibar and millimeters of mercury.
  • Tsp to mL - Convert teaspoons to milliliters using standard volume conversion ratios.
  • TTL Converter - Convert DNS TTL (time to live) values between seconds, minutes, hours and days.
  • Typography Converter - Convert between typography units including points, picas, inches, millimeters, and ems for print and digital design
  • Unit Converter Pro - Convert length, weight, volume, and temperature with high-precision metrics.
  • Units of Measurement - Convert between different units of measurement across multiple categories including length, weight, volume, temperature, area, speed, time, energy, pressure, and data storage
  • URL Encoder/Decoder - Convert special characters in URLs into a safe web format or decode them back into readable text.
  • VA to Amps Converter - Convert volt-amperes (VA) to amperes (A) for single-phase and three-phase electrical systems
  • VA to kVA Calculator - Convert volt-amps (VA) to kilovolt-amps (kVA) for electrical equipment and power system sizing.
  • VA to kW Calculator - Convert volt-amps (VA) to kilowatts (kW) using power factor for real power calculations
  • Viscosity Kinematic Converter - Convert between kinematic viscosity units: square meter per second (m²/s), stokes, centistokes, square foot per second, and more.
  • Volt Converters - Convert volts to millivolts, kilovolts, megavolts, microvolts and other voltage units.
  • Voltage Calculator - Calculate voltage using Ohm's Law formulas: V=IR, V=P/I, or V=√(PR)
  • Voltage Divider Calculator - Calculate output voltage and resistor values for voltage divider circuits
  • Voltage Drop Calculator - Calculate voltage drop in electrical wires based on wire size, length, current, and material to ensure proper circuit design.
  • Volts to Amps Calculator - Convert voltage to electrical current (amps) using Ohm's Law with resistance or power
  • Volts to Joules Converter - Convert voltage and electric charge to energy in joules using the formula E = V × Q
  • Volts to Kilovolts Converter - Convert volts (V) to kilovolts (kV), and back, instantly.
  • Volts to Millivolts Converter - Convert volts (V) to millivolts (mV), and back, instantly.
  • Volts to Watts Converter - Calculate power in watts from voltage and current using P = V x I
  • Volume Charge Density Converter - Convert between volume charge density units: coulomb per cubic meter (C/m³), coulomb per liter, microcoulomb per cubic meter, and more.
  • Volume Conversion - Convert between gallons, liters, and milliliters.
  • Volume Converter - Convert volume units instantly between Liters, Gallons, Cubic Meters, and more.
  • Volume Dry Converter - Convert between dry volume units: bushels, pecks, dry quarts, dry pints, and liters. Perfect for agricultural and cooking measurements.
  • Volume Lumber Converter - Convert between lumber volume units including board feet, cubic feet, cubic meters, and MBF for woodworking and timber.
  • Watt Converters - Convert watts to kilowatts, megawatts, milliwatts, horsepower, BTU per hour and other power units.
  • Watt-Hour Converters - Convert watt-hours to and from kilowatt-hours, joules, BTU, and other energy units.
  • Watt-Hours to Amp-Hours Calculator - Convert watt-hours (Wh) to amp-hours (Ah) for battery capacity calculations
  • Watt-Hours to mAh Calculator - Convert watt-hours (Wh) to milliamp-hours (mAh) for battery capacity calculations
  • Watt-Second Converters - Convert watt-seconds (W·s) to joules, kilowatt-hours, BTUs, calories, foot-pounds, and more energy units.
  • Wattage Calculator - Calculate electrical power (watts) from voltage and current, or find missing values using Ohm's Law
  • Watts to Amps Calculator - Convert electrical power (watts) to current (amps) for DC and AC circuits
  • Watts to Horsepower Converter - Convert watts to mechanical, metric, electric and boiler horsepower, and back.
  • Watts to Joules Conversion Calculator - Convert power in watts to energy in joules using time. Calculate energy from power and duration with support for seconds, minutes, and hours.
  • Watts to kVA Calculator - Convert watts (W) to kilovolt-amps (kVA) using power factor for electrical system sizing
  • Watts to kWh Calculator - Convert watts to kilowatt-hours (kWh) based on usage time for electricity consumption calculation
  • Watts to Volts Conversion Calculator - Convert power in watts to voltage in volts using current in amps with Ohm's Law
  • Week Converters - Convert weeks to and from days, hours, minutes, seconds, months, years, and other time units.
  • Weeks Converter - Convert weeks to and from days, hours, minutes, months, and years.
  • Weight and Mass Converter - Convert weight and mass between pounds, kilograms, ounces, grams, stones, metric tons and US tons.
  • Weight Conversion - Convert between common weight units (lbs, kg, oz, g).
  • Weight Converter - Convert weight between kilograms, grams, milligrams, pounds, ounces, stone, metric tons and US tons.
  • Wire Ampacity Calculator - Calculate the ampacity (current-carrying capacity) of electrical wire based on gauge, material, and installation conditions
  • Wire Gauge Chart - Complete reference chart for AWG wire sizes with diameter, area, resistance, and ampacity specifications
  • Wire Size Calculator - Calculate the correct wire gauge (AWG) based on current, voltage drop, and distance
  • Work Time Calculator - Calculate total work time over a day, week, or custom period based on entered work hours.
  • Yards to Meters Converter - Convert yards to meters, with the same length in feet, inches and centimeters.
  • Year Converters - Convert years to and from months, weeks, days, hours, minutes, seconds, decades, and centuries.
  • Years Converter - Convert years to and from months, weeks, days, hours, and decades.