`p = (hf)/c`

Enter a value for all fields

The Momentum of a photon (`f`) equation is used to the find the momentum a photon of light has where:

• `h` = Plank's constant
•  `c` = speed of light
• `f` = frequency

Momentum(p): The equation returns momentum(p) in kg*m/s.

References

34.2 How much light is one photon by Benjamin Crowell, Light and Matter  licensed under the Creative Commons Attribution-ShareAlike license.