Frequency Converter — Hz, kHz, MHz, GHz, RPM
The Frequency Converter converts between all common frequency units — hertz, kilohertz, megahertz, gigahertz, terahertz, RPM (revolutions per minute), and radians per second. Whether you are working with audio signals, radio frequencies, CPU clock speeds, or rotational machinery, this free converter handles every frequency conversion instantly.
Frequently Asked Questions
Frequency is measured in hertz (Hz), meaning cycles per second. 1 kHz = 1,000 Hz, 1 MHz = 1,000,000 Hz, 1 GHz = 1,000,000,000 Hz. Human hearing covers roughly 20 Hz to 20,000 Hz (20 kHz).