Frequency Converter
Convert frequency between hertz, kilohertz, megahertz, gigahertz and RPM. Enter a value, pick the From and To units — every conversion updates live, with all units listed in the table below.
Result will appear here.
How to use
- Enter a value or select an option.
- Choose the From and To units — the result updates live.
- See converted values for all units below too.
Note: Period (seconds) = 1 divided by frequency in Hz. 60 RPM = 1 Hz.
Tips
- Remember 1 kHz = 1,000 Hz — the tool scales through mega and giga the same way.
- RPM is revolutions per minute, so 60 RPM equals exactly 1 Hz.
- Audio work usually quotes kilohertz; radio and processors use megahertz and gigahertz.
Frequently Asked Questions (FAQ)
Which units does the Frequency Converter support?
Hertz, kilohertz, megahertz, gigahertz and RPM, plus the period in seconds.
Do I need to press a button to convert?
No. Enter a value, choose the From and To units, and the result updates live with converted values for all units shown below.
What is the Swap button for?
It flips the From and To units instantly, so you can reverse a conversion without retyping the value.
What is the relation between RPM and Hz?
60 RPM equals 1 Hz. The period in seconds equals 1 divided by the frequency in Hz.