Hertz
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SI unit of frequency (cycles per second)
About Hertz (Hz)
The SI unit of frequency, one hertz equals one cycle per second. Named after Heinrich Hertz, who first proved the existence of electromagnetic waves, the hertz measures everything from sound pitch (human hearing spans 20 Hz to 20 kHz) to electrical grid frequency (50 Hz in Europe, 60 Hz in the US).
- Category
- Frequency
- Symbol
- Hz
- Also known as
- hz
Frequently Asked Questions
What is a Hertz (Hz)?
SI unit of frequency (cycles per second)
How many Kilohertz (kHz) are in one Hertz (Hz)?
One Hertz (Hz) equals 0.001 Kilohertz (kHz).
How many Revolutions per Minute (rpm) are in one Hertz (Hz)?
One Hertz (Hz) equals 60 Revolutions per Minute (rpm).
How many Megahertz (MHz) are in one Hertz (Hz)?
One Hertz (Hz) equals 0.000001 Megahertz (MHz).
How do I convert Hertz to Kilohertz?
To convert Hertz to Kilohertz, multiply the value by 0.001 (1 Hz = 0.001 kHz).