Energy to Wavelength Calculator

Convert photon energy to wavelength. Calculate wavelength from energy using Planck's constant and speed of light.

Input Parameters

Results

Enter values and click Calculate

About Energy to Wavelength Calculator

Photon wavelength is related to energy by λ = hc/E, where h is Planck's constant, c is speed of light, and E is photon energy. Higher energy photons have shorter wavelengths.