Frequency Converter
Convert between hertz, kilohertz, megahertz, gigahertz, and RPM.
Convert Frequency Units
This converter switches between hertz, kilohertz, megahertz, gigahertz, and RPM (revolutions per minute). Enter a value and choose your units for an instant, accurate result.
Useful for understanding processor clock speeds, radio and wireless frequency bands, audio signal specifications, or motor and engine rotational speed.
Frequently Asked Questions
How many hertz are in a kilohertz?
There are 1,000 hertz in one kilohertz.
How do you convert RPM to hertz?
Divide the RPM value by 60. RPM measures revolutions per minute, while hertz measures cycles per second, so 1 Hz equals 60 RPM. It's a common conversion for motors, hard drives, and turntables.
What's the difference between MHz and GHz for a processor?
1 gigahertz equals 1,000 megahertz. Modern processor clock speeds are usually listed in GHz; older or embedded chips are often listed in MHz.
What frequency range do Wi-Fi and radio use?
Most consumer Wi-Fi runs at 2.4 GHz or 5 GHz, while AM/FM radio broadcasts in the kHz and MHz range. This converter covers all of those units.
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