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Physics Calculators

Use physics calculators for mechanics, electricity and magnetism, waves, optics, thermodynamics, fluids and other topics. The tools organize common equations around the values you know and the quantity you want to find.

104 calculators and toolsBrowse topics

Browse physics calculator topics

Choose a topic to see its calculators and find the right tool for your calculation.

Mechanics26 calculators Electricity & Magnetism14 calculators Thermodynamics16 calculators Waves & Oscillations8 calculators Optics7 calculators Modern Physics8 calculators Fluids7 calculators Gravitation5 calculators Rotational Motion4 calculators Unit Converters9 calculators

How to use these physics calculators

Choose a physics topic, enter values with consistent units, and review the equation and result on the calculator page. Convert units first when the inputs use different measurement systems.