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Hz

Hz

Hertz, the standard unit for measuring frequency. One hertz is one (complete) cycle per second, 100hz is 100 cycles per second and so on.

The Hz unit can be applied to any type of frequency, but is more commonly used when measuring sound or AC electricity. For example, electricity in most of Europe is distributed at 50Hz (whilst some countries distribute electricity at 60Hz). The human ear is generally regarded as being capable of hearing sounds in the frequency range 20hz to 20,000Hz (20khz).

Other related units:

1,000Hz	=	1KHz
1,000,000Hz	=	1MHz
1,000,000,000Hz	=	1GHz

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