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Both calculators run independently — change the inputs on either side to compare results.
Relativity
Relativistic Momentum Calculator
Compute the relativistic momentum p = γmv of a particle from its rest mass and velocity. Reduces to classical mv at low speeds but grows without bound as velocity approaches c.
Fill in the required fields to see your result.
Relativity
Lorentz Factor Calculator
Compute the Lorentz factor γ = 1/√(1 − (v/c)²), the central quantity of special relativity that scales time dilation, length contraction, relativistic mass, momentum, and energy. Returns a dimensionless number ≥ 1.
Fill in the required fields to see your result.
Key differences
| Relativistic Momentum Calculator | Lorentz Factor Calculator | |
|---|---|---|
| Category | Relativity | Relativity |
| Inputs required | 2 | 1 |
| Result | Relativistic Momentum (kg⋅m/s) | Lorentz Factor (γ) |
| What it does | Compute the relativistic momentum p = γmv of a particle from its rest mass and velocity. Reduces to classical mv at low speeds but grows without bound as velocity approaches c. | Compute the Lorentz factor γ = 1/√(1 − (v/c)²), the central quantity of special relativity that scales time dilation, length contraction, relativistic mass, momentum, and energy. Returns a dimensionless number ≥ 1. |