Quantum Physics
Use this photon momentum calculator to calculate calculate photon momentum from wavelength or energy.
Calculator
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Photon momentum is Planck's constant divided by wavelength.
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p = h / wavelength = E / c
This calculator applies the formula p = h / wavelength = E / c. Enter each value with the matching unit, and AZCalculate updates the result instantly.
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Apply the formula: p = h / wavelength = E / c.
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Worked example
Photon momentum: 0 kg m/s; Photon energy: 0 J; Photon energy: 2.479684 eV
Calculator guide
Calculate photon momentum from wavelength or energy. This page includes an interactive calculator, concise formula notes, worked examples, FAQs, related calculators, and practical guidance you can revisit whenever needed.
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FAQ
It uses p = h / wavelength = E / c and calculates the result from the values you enter.
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