Frequency Converter

Convert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.

Hertz (Hz):

Kilohertz (kHz):

Megahertz (MHz):

Gigahertz (GHz):

RPM:

Rad / second:

–Period (ms)

–Wavelength (m, in air)

How to use

Enter a frequency in any unit — all units plus the wave period update instantly; everything runs in your browser.

How do RPM and Hz relate?

1 Hz = 60 RPM — frequency is cycles per second, RPM is revolutions per minute.

What is the period?

The period is 1 ÷ frequency — the time of one cycle, shown below in ms.

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