| Units | Formula |
|---|
| 1 exahertz [EHz] = | 1018 hertz [Hz] |
| 1 petahertz [PHz] = | 1015 hertz [Hz] |
| 1 terahertz [THz] = | 1012 hertz [Hz] |
| 1 gigahertz [GHz] = | 109 hertz [Hz] |
| 1 megahertz [MHz] = | 106 hertz [Hz] |
| 1 kilohertz [kHz] = | 1000 hertz [Hz] |
| 1 hectohertz [hHz] = | 100 hertz [Hz] |
| 1 dekahertz [daHz] = | 10 hertz [Hz] |
| 1 decihertz [dHz] = | 0.1 hertz [Hz] |
| 1 centihertz [cHz] = | 0.01 hertz [Hz] |
| 1 millihertz [mHz] = | 0.001 hertz [Hz] |
| 1 microhertz [µHz] = | 0.000001 hertz [Hz] |
| 1 nanohertz [nHz] = | 0.000000001 hertz [Hz] |
| 1 picohertz [pHz] = | 10-12 hertz [Hz] |
| 1 femtohertz [fHz] = | 10-15 hertz [Hz] |
| 1 attohertz [aHz] = | 10-18 hertz [Hz] |
| 1 cycle/second = | 1 hertz [Hz] |
| 1 wavelength in exametres [Em] = | 2.99792458 x 10-10 hertz [Hz] |
| 1 wavelength in petametres [Pm] = | 0.0000003 hertz [Hz] |
| 1 wavelength in terametres [Tm] = | 0.000299792 hertz [Hz] |
| 1 wavelength in gigametres [Gm] = | 0.299792458 hertz [Hz] |
| 1 wavelength in megametres [Mm] = | 299.792458 hertz [Hz] |
| 1 wavelength in kilometres [km] = | 299792.458 hertz [Hz] |
| 1 wavelength in hectometres [hm] = | 2997924.58 hertz [Hz] |
| 1 wavelength in dekametres [dam] = | 29979245.8 hertz [Hz] |
| 1 wavelength in metres [m] = | 299792458 hertz [Hz] |
| 1 wavelength in decimetres [dm] = | 2997924580 hertz [Hz] |
| 1 wavelength in centimetres [cm] = | 2.99792458 x 1010 hertz [Hz] |
| 1 wavelength in millimetres [mm] = | 2.99792458 x 1011 hertz [Hz] |
| 1 wavelength in micrometres [µm = | 2.99792458 x 1014 hertz [Hz] |
| 1 Electron Compton wavelength = | 1.23558979 x 1020 hertz [Hz] |
| 1 Proton Compton wavelength = | 2.268731533 x 1023 hertz [Hz] |
| 1 Neutron Compton wavelength = | 2.271858745 x 1023 hertz [Hz] |
