Wavelength Calculator

Calculate wavelength, frequency, or wave speed

Formula: lambda = v / f

Where lambda = wavelength, v = wave speed, f = frequency

Tip: For light waves in vacuum, use speed = 299,792,458 m/s (speed of light)

Electromagnetic Spectrum

Radio
> 1 m
Microwave
1 mm - 1 m
Infrared
700 nm - 1 mm
Visible
400 - 700 nm
UV
10 - 400 nm
X-ray
0.01 - 10 nm
Gamma
< 0.01 nm

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