Frequency Wavelength converter
Convert frequency units and the corresponding electromagnetic wavelength in a vacuum.
FormulaResult = 299.792458 ÷ value
Wavelength is calculated for electromagnetic waves in vacuum using c = 299,792,458 m/s. A different propagation speed is required in a material or for sound.
How to convert frequency wavelength
Choose the original unit and the unit you need, then enter a value. You can also edit the result field to calculate in reverse.
Example: 1 megahertz = 299.792458 wavelength in metres.
The displayed formula is rounded for readability. Calculations use the stored conversion factors; selecting more digits changes display precision, not the certainty of the source definition.
Quick conversion table
| megahertz | wavelength in metres |
|---|---|
| 1 MHz | 299.792458 m |
| 2 MHz | 149.896229 m |
| 5 MHz | 59.9584916 m |
| 10 MHz | 29.9792458 m |
| 20 MHz | 14.9896229 m |
| 50 MHz | 5.99584916 m |
| 100 MHz | 2.99792458 m |
| 1000 MHz | 0.299792458 m |
Convert to every frequency wavelength unit
Based on your input above| Unit | Symbol | Result |
|---|---|---|
| hertz | Hz | 1000000 |
| exahertz | EHz | 1e-12 |
| petahertz | PHz | 1e-9 |
| terahertz | THz | 0.000001 |
| gigahertz | GHz | 0.001 |
| megahertz | MHz | 1 |
| kilohertz | kHz | 1000 |
| hectohertz | hHz | 10000 |
| dekahertz | daHz | 100000 |
| decihertz | dHz | 10000000 |
| centihertz | cHz | 100000000 |
| millihertz | mHz | 1000000000 |
| microhertz | µHz | 1000000000000 |
| nanohertz | nHz | 1000000000000000 |
| picohertz | pHz | 1e+18 |
| femtohertz | fHz | 1e+21 |
| attohertz | aHz | 1e+24 |
| cycle/second | cycle/second | 1000000 |
| wavelength in exametres | wavelength in exametres | 2.99792458e-16 |
| wavelength in petametres | wavelength in petametres | 2.99792458e-13 |
| wavelength in terametres | wavelength in terametres | 2.99792458e-10 |
| wavelength in gigametres | wavelength in gigametres | 0.000000299792458 |
| wavelength in megametres | wavelength in megametres | 0.000299792458 |
| wavelength in kilometres | wavelength in kilometres | 0.299792458 |
| wavelength in hectometres | wavelength in hectometres | 2.99792458 |
| wavelength in dekametres | wavelength in dekametres | 29.9792458 |
| wavelength in metres | m | 299.792458 |
| wavelength in decimetres | wavelength in decimetres | 2997.92458 |
| wavelength in centimetres | cm | 29979.2458 |
| wavelength in millimetres | mm | 299792.458 |
| wavelength in micrometres | wavelength in micrometres | 299792458 |
| wavelength in nanometres | nm | 299792458000 |
| Electron Compton wavelength | Electron Compton wavelength | 123558979000000 |
| Proton Compton wavelength | Proton Compton wavelength | 2.268731533e+17 |
| Neutron Compton wavelength | Neutron Compton wavelength | 2.271858745e+17 |