Frequency Converter
Convert Hz, kHz, MHz, GHz, and RPM instantly in your browser.
Result
Convert frequency units online
Enter a value, choose source and target units — the result updates live. All calculations run locally; nothing is sent to a server.
The base unit is the hertz (Hz). Conversion factors: 1 kHz = 1 000 Hz, 1 MHz = 1 000 000 Hz, 1 GHz = 1 000 000 000 Hz, 1 rpm = 1/60 Hz.
FAQ
What is RPM? Revolutions per minute — a rotational frequency unit common in motors and engines. To convert to Hz, divide by 60.
What is the difference between Hz and rpm? Hz measures cycles per second; rpm measures revolutions per minute. 60 rpm equals 1 Hz.