Free Lorentz Factor Calculator

Compute the Lorentz factor gamma = 1 / sqrt(1 - v^2/c^2), the key quantity in special relativity.

m/s

Lorentz Factor (gamma)

2.29343275

Beta (v/c)0.89993329
1 - beta^20.190120075603

Lorentz Factor (gamma) vs Velocity

The Lorentz Factor

Gamma is the cornerstone of special relativity, appearing in time dilation, length contraction, and relativistic energy.

Formula

gamma = 1 / sqrt(1 - beta^2)

where beta = v/c.

  • gamma = 1 at rest
  • gamma = 1.15 at 0.5c
  • gamma = 7.09 at 0.99c
  • gamma approaches infinity as v approaches c
  • Example Calculation

    Object at 0.9c.

    1. 01beta = v/c = 2.698e8 / 2.998e8 = 0.8999
    2. 02beta^2 = 0.8099
    3. 031 - beta^2 = 0.1901
    4. 04gamma = 1 / sqrt(0.1901) = 1 / 0.4360 = 2.294

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