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Wavelength To Frequency
All physics tools
Convert electromagnetic wavelength to frequency.
Input
Wavelength (meters)
Reset
Frequency
Frequency (Hz)
-
Hz
About this calculator
Quick Reference
c
3e8 m/s
Overview
Calculate the frequency of light or other electromagnetic waves from their wavelength using c = fλ.
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Pro Tips
Assumes speed of light in vacuum c ≈ 3e8 m/s.
Frequency is measured in Hertz (1/s).
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Fun Facts
"Visible light is between 400THz (red) and 790THz (violet)."
Formula: f = c / λ
