Hz

What is a Hertz?

Definition

A hertz (Hz) is the SI unit of frequency equal to one cycle per second.

Popular Hertz Conversions

Most common conversions from Hertz

1 Hz = 0.001 kHz Hertz to Kilohertz 1 Hz = 0.000001 MHz Hertz to Megahertz 1 Hz = 0.000000001 GHz Hertz to Gigahertz 1 Hz = 59.9999 rpm Hertz to RPM

History

The hertz is named after German physicist Heinrich Hertz, who proved the existence of electromagnetic waves. It was adopted in 1930.

Common Uses

Radio frequencies
Computer processor speeds
Sound frequencies
AC electrical current

Fun Facts

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Human hearing ranges from 20 Hz to 20,000 Hz

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Middle C on a piano is about 262 Hz

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The A above middle C is standardized at 440 Hz

All Hertz Conversions

Hertz to Kilohertz Hz → kHz Hertz to Megahertz Hz → MHz Hertz to Gigahertz Hz → GHz Hertz to RPM Hz → rpm