# Frequency to Wavelength Online Calculator

MathML formulaFormula ImageStraight text formula
$λ = c f$ λ = c / f

Where:

λ is wavelength in meters,

c is speed of light in a vacuum, meters per second, = 3 x 108 m / s

f is frequency in Hertz

Wavelength, λ =

λ \ 2 =

λ \ 4 =