Wavelength to Energy Calculator

Calculate the energy of a photon from its wavelength or frequency using E=hf and E=hc/λ.

🌈 Photon Energy Calculator

E = hc/λ | E = hf | h = 6.626×10⁻³⁴ J·s, c = 3×10⁸ m/s

Wavelength (λ)

photon energy wavelength E=hc/lambda frequency Joules eV physics optics quantum

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