Theory of relativity formulas
Select a formula
Move from a broad subject area to the specific formula you need.
The theory of relativity describes how space, time, mass, energy, and gravity behave under conditions where classical mechanics is no longer sufficient. This section contains formulas and calculation tools related to special relativity, general relativity, time dilation, length contraction, relativistic momentum, relativistic energy, gravitational effects, and spacetime relationships.
Users can calculate relativistic velocities, Lorentz factors, time differences between reference frames, mass-energy equivalence, gravitational parameters, and other quantities associated with high-speed motion and strong gravitational fields. These calculations help quantify effects that become significant near the speed of light or in extreme astrophysical environments.
Relativity calculations are widely used in astrophysics, cosmology, particle physics, satellite navigation systems, space science, and advanced theoretical research. They support the analysis of black holes, relativistic particles, gravitational phenomena, and large-scale cosmic processes.
The formulas and online calculators available in this section provide practical tools for performing quantitative analysis based on Einstein's theories. They serve as a valuable reference for students, educators, researchers, scientists, and engineers working with modern physical models of space and time.