Energy to Wavelength Calculator

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Choose which quantity you want to calculate.
Energy of a single photon.
Unit for the wavelength result.
Unit for the frequency result.
WavelengthVisible
495.9368

Wavelength of the photon in the chosen unit.

Frequency604.4973
Energy2.5
Spectrum regionVisible (green)
Wavelength (m)0
Energy (J)0
2.5 eV
Infrared / radio<1.65Visible light1.65-3.1Ultraviolet / X-ray3.1+

Wavelength 495.9 nm - green visible light (2.500 eV).

  • This photon is in the visible band and appears green to the human eye.
  • Equivalent photon energy: 2.5000e+0 eV, or 4.0054e-19 J per photon.
  • Equivalent frequency: 6.0450e+2 THz (6.0450e+14 Hz).

Next stepUse the mode selector above to reverse-solve: enter a wavelength and get back the energy, or enter a frequency and get both.

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