Type a value in any of the fields to convert between frequency value.
The SI derived unit for frequency is the Hertz. - The symbol for Hertz is Hz - RPM stands for Revolutions Per Minute, use revolution/minute.
| Hertz | The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second. |
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| Kilohertz | The kilohertz, abbreviated kHz or KHz*, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one thousand hertz (1,000 Hz). |
| Megahertz | The megahertz is commonly used to express microprocessor clock speed. |
| Gigahertz | Short for gigahertz, GHz is a unit of measurement for alternating current (AC) or electromagnetic (EM) wave frequencies equal to 1,000,000,000 Hz. |