Frequency Converter
Free online frequency converter — convert between Hertz, Kilohertz, Megahertz, Gigahertz and more, instantly in your browser.
All conversions
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Runs entirely in your browser — nothing you enter is uploaded or stored.
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.
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 shows your value in every unit at once.
Is this frequency converter free and private?
Yes — completely free, no sign-up, and all conversion happens locally in your browser. Nothing you enter is uploaded or stored.