Physics

Photon Energy

Energy of a photon from frequency.

Formula

Formula
E = h · f

Variables

SymbolDefinitionType & rangeUnitsRole
f frequency (Hz) real number (ℝ) Hz input
h 6.626×10⁻³⁴ computed result result

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenfrequency (Hz) = 500000000000000
Result3.313035075e-19
Example 2
Givenfrequency (Hz) = 1000000000
Result6.62607015e-25