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`p = m*gamma*v`

Enter a value for all fields

The **Relativistic Momentum** calculator computes the momentum (**p**) as function of the mass (**m**), relativity factor (**γ**), and the velocity (**v**)

**INSTRUCTIONS:** Choose the preferred units and enter the following:

- (
**m**) This is the mass - (
**γ**) This is the relativity factor. - (
**v**) This is the velocity

**Relativistic Momentum (p):** The momentum is returned in kilograms meters per second (kg•m/s).

The Relativistic Momentum is found using the following formula:

p = m•γ•v

where:

- m = mass
- γ = relativity
- v = velocity

- E = m•c² (mass/energy equivalent)
- m = E/c² (mass from energy)
- E = m•γ•c² (mass/energy equivalent not at rest)
- E = h•ν (Quantum Energy)
- p = m•γ•v (Relativistic Momentum)
- c (Speed of light) = 2.99792458E8 m/s
- c² (Speed of Light Squared) = 931.46 MeV/u
- Lorentz factor (`gamma`)
- KE ≈ m(1+v²/(2c²)-1)c² (Relativistic Kinetic Energy)

26.5 Relativistic mass and energy by Benjamin Crowell, Light and Matter licensed under the Creative Commons Attribution-ShareAlike license.