Everyday Calculators

Browse 51 free everyday life tools. All tools are free, instant, and require no signup.

Practical calculators for daily decisions. Age calculations, date differences, fuel costs, recipe scaling, tip splitting, and household planning tools.

All Everyday Life Tools

• AI Conflict Triage Decision Tree - AI-powered tool that five specific questions about a grievance to determine if it requires setting a hard boundary, having a conversation, or just letting it go entirely.
• AI Graceful Bow-Out Script Builder - AI-powered tool that generates kind, consequence-free text scripts to decline specific social obligations without burning bridges or sounding flaky.
• AI Hobby Abandonment Predictor - Scores a new hobby idea against upfront costs, physical space requirements, and typical drop-out rates to gauge the risk of wasted money and garage clutter.
• AI Low-Guilt Relationship Maintainer - Input friends and your personal extroversion level. Generates a realistic, sustainable check-in schedule to maintain ties without hitting social burnout.
• AI Memory Valuator - AI-powered tool that predict how memorable a family activity or purchase will be for children, based on developmental psychology.
• AI Trend Decay Forecaster - Describe a decor or fashion item. AI scores its current position in the trend cycle (early, peak, fading) to prevent buying into a dying fad right before it looks dated.
• AI Weekend Energy Matrix - AI-powered tool that balances your current exhaustion level with your chore list to output the exact ratio of rest to productivity needed to survive Monday morning.
• Analog Clock - Minimalist visual clock synchronized to your system time.
• Bill Due Date Tracker - Keep track of upcoming bills and their due dates with a simple, persistent dashboard.
• Birthday Countdown - Track exactly how many days, hours, and minutes remain until your next birthday.
• Business Days Calculator - Calculate a future or past date by adding or subtracting business days, skipping weekends.
• Calendar - Interactive monthly calendar with current date highlighting.
• Commute Time Calculator - Estimate the total time spent commuting over a week, month, or year of travel.
• Countdown Timer - Create a live visual countdown to any specific date and time for events or deadlines.
• Daily Habit Tracker - Build positive routines with a persistent daily checklist that tracks your progress.
• Day of Week Calculator - Instantly find out what day of the week any date falls on, past or future.
• Deadline Truth Teller - Calculate remaining working hours, evenings, and weekends before a deadline
• Decision Coin - Make weighted decisions between two options with transparent random selection
• Departure Timeline Calculator - Input a target arrival time and chaotic variables to get a rigid step-by-step timeline of when to start each prep action.
• Dress Size Calculator - Convert body measurements (bust, waist, hips) to dress sizes across US, UK, EU, and Asian sizing systems. Include petite, tall, and plus size charts.
• DUI Penalty Estimator - Estimate potential DUI/DWI penalties by state including fines, license suspension periods, SR-22 insurance costs, and jail time ranges. Educational purposes only — not legal advice.
• Grocery Unit Price Comparator - Compare package sizes and prices to find the best per-unit deal
• How Long Will This Actually Take? - Get realistic time estimates for tasks by applying multipliers to optimistic estimates based on task complexity and type.
• Life Expectancy Calculator - Estimate your remaining life expectancy based on global health averages and lifestyle factors.
• Micro-Productivity Engine - Track and optimize micro-tasks throughout your day
• Moving Box Estimator - Estimate the number of small, medium, large, and wardrobe boxes needed based on home size
• Moving Cost Estimator - Estimate moving costs based on distance, home size, DIY vs professional, packing services, insurance, and timing (peak vs off-peak)
• Multi-Stop Carpool Splitter - Calculate fair cost splits for carpools with multiple stops and drop-offs based on distance traveled
• Pomodoro Timer - Stay focused with a professional 25/5 minute interval timer. Track your productivity sessions.
• Printable Tape Measure – Free 60″ Measuring Tape - Generate and print a free tape measure up to 60 inches or 150 cm. Customize precision marks, choose imperial or metric units, and print at 100% scale for accurate measurements.
• Propane Usage Calculator - Estimate propane consumption and costs by appliance (furnace, water heater, fireplace, grill, generator). Calculate tank duration and annual fuel budget.
• Random Winner Picker - Enter a list of names or items and pick winners fairly using cryptographic randomness.
• Retirement Age Calculator - Calculate the age at which you can retire based on savings, contributions, and expected returns.
• Ring Size Calculator - Determine ring size from finger circumference or existing ring diameter. Convert between US, UK, EU, and Asian ring size scales.
• Room Layout Planner - Visual tool to plan room layouts and furniture placement before moving
• Rug Size Calculator - Recommend rug sizes for any room type based on room dimensions and furniture layout. Visual sizing guide.
• RV/Van Water Usage Days Calculator - Estimate how long a water tank lasts based on showers, flushes, and dishwashing per day
• Scratchpad - Fast, ephemeral notes that stay in your browser until you clear them.
• Shift Hours Calculator - Calculate the total duration of a work shift including lunch and rest breaks.
• Start of School Countdown Calculator - Calculate days, weeks, and hours until summer break with visual progress tracking and real-time countdown
• Study Plan Generator - Create personalized study schedules based on your subjects, available time, and exam dates
• Subscription Renewal Reminder - Track when your digital subscriptions are set to renew to avoid unexpected charges.
• Task Manager - Organize your life with an intuitive checklist and browser-based persistence.
• Time Duration Calculator - Calculate the precise difference between two timestamps in hours, minutes, and seconds.
• Time Zone Converter - Convert time instantly between different global time zones with accurate offset tracking.
• Travel Itinerary Generator - Describe your destination and interests to get an AI-generated day-by-day travel plan
• Vacation Day Optimizer - Maximize your time off by strategically using vacation days around weekends and holidays
• Wedding Countdown Calculator - Track time until your wedding day with countdown and milestone visualizations
• Work Hours Calculator - Track and calculate your daily and weekly work hours to manage your schedule and pay.
• Workdays Between Dates - Count the exact number of business days (Monday to Friday) between two specific dates.
• World Clock - View current time across different global time zones.