Special theory of relativity

Calculator nameSummary
Special relativity (Lorentz contraction) Calculates the length contraction of a body moving with some relative velocity with respect to the observer.
Special relativity (time dilation) Calculates the time dilation of a body moving for some time with some relative velocity with respect to the observer.
Special relativity (composition of velocities) Calculates the composition of two velocities.
Special relativity (mass-energy) Calculates the mass-energy of a body moving with some relative velocity with respect to the observer.