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How to use Frequency Converter

Enter a value and pick its unit (Hz, kHz, MHz, GHz, RPM, rad/s), and the tool converts it to every other frequency unit live.

Frequently asked questions

How many Hz in a kHz?

1 kilohertz (kHz) = 1,000 hertz (Hz).

How do I convert RPM to Hz?

Divide RPM by 60. For example, 1,200 RPM = 20 Hz (rotations per second).

What frequency is human hearing?

Humans typically hear from about 20 Hz to 20,000 Hz (20 kHz).

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