Reduced Mass Calculator

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

Pressure Calculator

Pressure

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

Pounds per Square Inch Calculator

Pressure Gauge

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

Car Center of Mass Calculator

Car

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

Tension Calculator

Tension Calculator

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

Net Force Calculator

forces on a box

Calculate net force magnitude and direction from multiple force vectors. Free physics calculator with component breakdown and unit conversions.

Normal Force Calculator

Calculate normal force for horizontal, inclined, external force, and elevator scenarios. Free physics calculator with multiple unit support.

Newton’s Third Law Calculator

Newton's Third Law

Demonstrate action-reaction force pairs with equal and opposite forces. Free physics calculator for mechanics and Newton’s laws.