Calculate the energy of a single photon based on its frequency or wavelength.
Photon Properties
Calculation Results
About this calculator
Overview
Photon energy is the energy carried by a single photon. It is directly proportional to the photon's electromagnetic frequency and inversely proportional to its wavelength.
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Pro Tips
Planck constant (h) ≈ 6.626 × 10^-34 J·s.
Speed of light (c) ≈ 3 × 10^8 m/s.
1 eV (electronvolt) ≈ 1.602 × 10^-19 Joules.
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Fun Facts
"Higher frequency radiation (like X-rays) has more energy per photon than lower frequency radiation (like radio waves)."
"Blue light photons have more energy than red light photons."
"Max Planck won the Nobel Prize in Physics in 1918 for the discovery of energy quanta (photons)."
