Physics calculators

Kinematics, dynamics, and classical-physics shortcuts.

Solve the common physics textbook calculations — velocity, acceleration, force, and energy — with units correctly tracked end to end.

Calculators
114
Topics: All Mechanics (114) Electricity (48)
114 results
Physics / Mechanics

Gear Ratio Calculator

Compute the gear ratio, output rotational speed, and output torque of a single-stage spur-gear pair from the number of t...

basic
8,433 5.0 1 min
Physics / Mechanics

Orbital Velocity Calculator

Compute the circular orbital velocity at a given orbital radius around a central mass, using v = √(GM / r) with G = 6.67...

basic
8,269 4.9 1 min
Physics / Mechanics

Time Dilation Calculator

Compute the dilated time observed in a stationary frame for a moving clock, given the proper time and the speed as a fra...

basic
1,856 4.2 1 min
Physics / Mechanics

Pendulum Period Calculator

Compute the period and frequency of a simple (small-angle) pendulum from its length and the local acceleration due to gr...

basic
5,228 4.0 1 min
Physics / Mechanics

Doppler Effect Calculator

Compute the frequency observed by a stationary observer when a source moves at velocity v_s, using the classical Doppler...

basic
4,266 4.5 1 min
Physics / Mechanics

Angular Momentum Calculator

Compute the angular momentum of a rigid body using L = I · ω, plus the angular-momentum equivalent for a point mass movi...

basic
13,694 4.2 1 min