Wavelength & Frequency Converter
Convert between wavelength and frequency using the wave speed relation c = λf.
2.997925 m
Wavelength
Convert wavelength to frequency or the reverse, choosing the wave speed (light in vacuum by default).
How to use
- Choose the conversion direction.
- Select the wave speed medium.
- Enter the known value and read the result.
Frequently asked questions
- What is the relation?
- Wave speed equals wavelength times frequency (c = λf).
- What speed is light in vacuum?
- About 299,792,458 metres per second.