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Megahertz Converters

Convert megahertz to hertz, kilohertz, gigahertz, terahertz, radians per second, RPM and other frequency units.

What this tool does

Convert megahertz to hertz, kilohertz, gigahertz, terahertz, radians per second, RPM and other frequency units. Type an amount in megahertz, choose the units, and the tool converts it to hertz. It offers 8 frequency units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Megahertz, Hertz, Kilohertz, Gigahertz, Terahertz, Radian per second (angular frequency), Revolution per minute (rpm), Cycle per second. Starts as Megahertz.
  • To: Choose one of the same 8 units as "From". Starts as Hertz.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from megahertz to hertz:

  • 1 MHz = 1,000,000 Hz
  • 5 MHz = 5,000,000 Hz
  • 10 MHz = 10,000,000 Hz
  • 50 MHz = 50,000,000 Hz
  • 100 MHz = 100,000,000 Hz

Multiply the number of megahertz by 1,000,000 to get hertz. Both units are exact definitions, so 1,000,000 is the exact factor: 1 MHz = 1,000,000 Hz.

Sources: Megahertz: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes). Hertz: SI Brochure, 9th edition (2019).

Limitations

  • Converts the unit of a frequency only. It does not work out wavelength, period or photon energy.
  • One revolution is counted as one cycle, so 1 Hz is 60 rpm.
  • Radians per second is angular frequency: one cycle is 2 pi radians.

FAQs

Q: How many hertz is a megahertz?
A: One megahertz is 1,000,000 hertz.
Q: How many megahertz is a gigahertz?
A: One gigahertz is 1,000 megahertz.

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