Frequency units and how they relate
| Unit | Symbol | Equals in hertz |
|---|---|---|
| 1 hertz | Hz | 1 Hz |
| 1 kilohertz | kHz | 1,000 Hz |
| 1 megahertz | MHz | 1,000,000 Hz |
| 1 gigahertz | GHz | 1,000,000,000 Hz |
| 1 revolution per minute | rpm | 0.0166666667 Hz |
Frequency Converter
Convert frequency: hertz, kilohertz, megahertz, gigahertz and revolutions per minute.
kHz = Hz × 0.001
Frequently asked questions
How accurate is this frequency converter?
It uses the exact defined conversion factors for each unit and shows results to 10 significant digits.
How do I convert hertz to kilohertz?
Enter the value, choose hertz in the "From" list and kilohertz in the "To" list. For example, 1 hertz equals 0.001 kHz.
Is the converter free?
Yes. It is free, needs no sign-up and runs entirely in your browser, so it also works offline once the page has loaded.
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