| Unit of measurement | Abbreviation | ||
| attohertz | aHz | ||
| centihertz | cHz | ||
| decihertz | dHz | ||
| dekahertz | daHz | ||
| exahertz | EHz | ||
| femtohertz | fHz | ||
| gigahertz | GHz | ||
| hectohertz | hHz | ||
| hertz | Hz | ||
| kilohertz | kHz | ||
| megahertz | MHz | ||
| microhertz | µHz | ||
| millihertz | mHz | ||
| nanohertz | nHz | ||
| petahertz | PHz | ||
| picohertz | pHz | ||
| terahertz | THz | ||
| wavelength in centimetres | cm | ||
| wavelength in decametres | dam | ||
| wavelength in decimetres | dm | ||
| wavelength in exametres | Em | ||
| wavelength in gigametres | Gm | ||
| wavelength in hectometres | hm | ||
| wavelength in kilometres | km | ||
| wavelength in megametres | Mm | ||
| wavelength in metres | m | ||
| wavelength in micrometres | µm | ||
| wavelength in millimetres | mm | ||
| wavelength in petametres | Pm | ||
| wavelength in terametres | Tm |