Frequency Converter

Convert between hertz, kilohertz, megahertz and gigahertz.

Result

Result

1 MHz = 1,000 kHz

Convert any frequency unit

Convert between hertz, kilohertz, megahertz and gigahertz. The result updates as you type.

Every unit is defined against the hertz, which is one cycle per second. Each step up is a factor of 1,000.

Units at a glance

Frequency units and their sizes
Unit Symbol Size
hertz Hz The base unit for frequency.
kilohertz kHz 1 kilohertz = 1,000 hertz
megahertz MHz 1 megahertz = 1,000,000 hertz
gigahertz GHz 1 gigahertz = 1,000,000,000 hertz

Radio and processors

FM radio is tuned in megahertz, in most countries between about 88 and 108 MHz. Processor and Wi-Fi clock speeds are given in gigahertz.

Frequency and revolutions per minute

Revolutions per minute is a frequency divided by 60: 3,000 rpm is 50 Hz. This converter does not include rpm.

Background and method