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Physics Calculators

Force, energy, pressure, velocity, acceleration, and other mechanics calculations.

7 free tools available

Calculate acceleration from velocity and time

Calculate force using Newton's laws

Calculate kinetic energy from mass and velocity

Calculate electrical and mechanical power

Calculate pressure from force and area

Calculate velocity from distance and time

How to choose the right physics calculators

Solve common mechanics and energy problems involving force, pressure, velocity, acceleration, and related quantities.

Before you use a tool

  • Keep SI and imperial units consistent within one calculation.
  • Check whether the scenario assumes constant acceleration or ideal conditions.
  • Use measured inputs when the result will inform real-world decisions.

A practical workflow

List the known variables, pick the physics calculator that matches the relationship, enter values with units, and compare the output to a rough estimate.