Frequency Converter
Free online frequency converter — convert between Hertz, Kilohertz, Megahertz, Gigahertz and more, instantly in your browser.
All conversions
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How this frequency converter works
Type a value, pick the unit you have and the unit you want — the result updates instantly, along with a full table converting your value into every supported frequency unit. All math runs locally in your browser, so it works offline once loaded and nothing you enter is sent anywhere.
Supported units
- Hertz (Hz)
- Kilohertz (kHz)
- Megahertz (MHz)
- Gigahertz (GHz)
- RPM
Frequently asked questions
How do I convert Hertz to Kilohertz?
Enter your value, pick Hertz as “From” and Kilohertz as “To” — the result updates as you type. 1 Hertz = 0.001 Kilohertz.
Which frequency units does this converter support?
5 units: Hertz, Kilohertz, Megahertz, Gigahertz, RPM. The table below the converter shows your value in every unit at once.
Is this frequency converter free and private?
Yes — it is completely free, needs no sign-up, and all conversion happens locally in your browser. Nothing you enter is uploaded or stored.