Quick answer: Free physics calculators for motion, energy and forces. Solve problems with clear formulas and worked examples.
All Physics Calculators (2)
Kinetic Energy Calculator: KE = 1/2mv^2 →Free kinetic energy calculator: solve KE = 1/2mv2 for energy, mass or velocity, with unit conversion, everyday energy scales and relativistic limits.Physics
Projectile Calculator: Range, Height, Time →Free projectile motion calculator: find range, max height and time of flight from launch speed and angle. Formulas, vacuum vs air drag, and examples.Physics
Frequently asked questions
Are these physics calculators free?
Yes, every physics calculator on this page is completely free with no sign-up required.
Which physics topics are covered?
Currently motion and energy: projectile range, height, time of flight, and kinetic energy from mass and velocity.
Can I use these for homework?
Yes, each calculator shows the formula used and lets you change inputs to check your working step by step.
Do the calculators work on mobile?
Yes, all calculators are fully responsive and work on phones, tablets and desktops.