Frequency Converter
Frequency counts how many times something repeats per second. The SI unit is the hertz. Radio and processors use kilohertz through gigahertz, while rotating machinery is often described in revolutions per minute.
1 Hz = 0.001 kHz
About frequency conversion
Frequency conversion is commonly needed when audio, radio, processors, and rotating machinery.
Popular conversions
All frequency units
| Unit | Symbol | System |
|---|---|---|
| Hertz | Hz | SI |
| Kilohertz | kHz | SI |
| Megahertz | MHz | SI |
| Gigahertz | GHz | SI |
| Terahertz | THz | SI |
| Revolution per Minute | rpm | Other |
Frequently asked questions
What is the base unit for frequency?
Frequency conversions on this site are calculated against the hertz (Hz).
Which frequency units can I convert?
You can convert between 6 units, including hertz, kilohertz, megahertz, gigahertz, and more.
Where is frequency conversion useful?
It is commonly needed when audio, radio, processors, and rotating machinery.
Does this converter mix measurement systems?
The converter supports SI, Other units and keeps their exact definitions separate so results stay accurate.