All frequency units explained
| Unit | Symbol | Value in Hertz | Description |
|---|---|---|---|
| Hertz | Hz | 1 Hz | One hertz is one cycle per second. Bangladesh mains electricity runs at 50 Hz. |
| Kilohertz | kHz | 1,000 Hz | A kilohertz equals 1,000 Hz, used for AM radio and audio. |
| Megahertz | MHz | 1,000,000 Hz | A megahertz equals one million hertz, used for FM radio. |
| Gigahertz | GHz | 1,000,000,000 Hz | A gigahertz equals one billion hertz, used for CPU speed and Wi-Fi bands. |
| Revolutions per Minute | rpm | 0.0166666667 Hz | RPM measures rotation speed of motors, fans and engines. |
Popular frequency conversions
Each conversion below has its own page with a formula, worked example and table.
When do you need a frequency converter?
Frequency conversions are used for radio, processors, audio, electrical systems and motors. Different countries and industries use different units, so a reliable converter prevents costly mistakes.
Frequently asked questions
Which frequency units are supported?
Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz), Revolutions per Minute (rpm).
Is the converter free?
Yes, completely free with no limits, and it works offline once loaded.
How accurate are the results?
Conversions use exact standard factors with full double-precision arithmetic.