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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).

- 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)
- γ ≈ 1 + v²/(2c²)
- KE≈m(1+v²/(2c²)-1)c²(Relativistic Kinetic Energy)
- p = m * v (Momentum)

The Relativistic Momentum is found using the following formula:

p = m•γ•v

where:

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

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