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Science
Frequency Conversion Table
Values shown for 1 Hertz
About Frequency Conversions
Frequency counts how often a periodic event repeats per second. The hertz, one cycle per second, is the SI unit and the root of every larger frequency unit. In electronics the prefixes track eras of hardware: kilohertz for AM radio, megahertz for FM and older processors, gigahertz for modern CPU clocks and Wi-Fi bands, terahertz for spectroscopy and imaging. Revolutions per minute link frequency to mechanical work; an engine idling at 800 RPM is turning at about 13.33 Hz. The SI prefixes scale exactly below, across every order of magnitude.
| Unit Name | Symbol | Value | Formula |
|---|---|---|---|
| Gigahertz | GHz | 1 × 10⁻⁹ | multiply by 1,000,000,000 |
| Hertz | Hz | 1 | base unit |
| Kilohertz | kHz | 0.001 | multiply by 1,000 |
| Megahertz | MHz | 0.000001 | multiply by 1,000,000 |
| Revolutions per Minute | RPM | 60 | divide by 60 |
| Terahertz | THz | 1 × 10⁻¹² | multiply by 1,000,000,000,000 |