Physics

Impact Energy Calculator

Calculate impact energy from mass and velocity, or from mass and drop height. Get instant results in joules, foot-pounds, and momentum.

Calculate elastic potential energy from spring constant and displacement. Get joules, foot-pounds, force, and equivalent height.

Calculate bullet kinetic energy in joules and ft-lbs from mass and velocity. Get instant results, momentum, and a hunting-use category.

Calculate your weight on other planets and moons. Free space calculator with gravity ratios for Earth, Moon, Mars, Jupiter, and more.

Calculate your vehicle’s center of mass position and height using axle weights, wheelbase, and tilt angle. Free automotive physics calculator.

Calculate pressure, force, or area using P = F/A. Free physics calculator with unit conversions for Pa, kPa, psi, atm, bar, and mmHg.

Calculate PSI, force, or area using the pressure formula. Free online physics calculator with unit conversions for psi, kPa, bar, and atm.

Calculate your vehicle’s center of mass position and height using axle weights, wheelbase, and tilt angle. Free automotive physics calculator.

Calculate tension in ropes for hanging masses, pulleys, inclined planes, and Atwood machines. Free physics calculator with diagrams and equations.

Calculate total stopping distance including reaction time, braking distance, and road grade effects.