Calculate the dilated time experienced by a moving observer relative to a stationary one. According to special relativity, time passes more slowly for objects moving at high velocities.
Enter your values below
Time measured in the rest frame
Velocity as a fraction of the speed of light
How this calculator works
Dilated time equals the Lorentz factor times the proper time. Moving clocks tick slower by a factor of γ.
Common questions about this calculator
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