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

Snell's Law Calculator

Compute the angle of refraction when light passes from a medium of refractive index n₁ into a medium of refractive index...

basic
6,163 4.2 1 min
Physics / Mechanics

Photon Energy Calculator

Compute the energy of a photon from either its frequency or its wavelength, using E = h · f = h · c / λ. Reports both th...

basic
17,991 4.7 1 min
Physics / Mechanics

Velocity Calculator

Compute velocity from displacement and time, or solve for either one given the other two.

basic
9,161 4.8 1 min
Physics / Mechanics

Distance Modulus Calculator

Compute the distance modulus and luminosity distance to an astronomical object from its apparent and absolute magnitudes...

basic
24,489 3.8 1 min
Physics / Mechanics

Force Calculator

Solve F = ma for any of force, mass, or acceleration — with unit-aware defaults.

basic
22,467 5.0 1 min
Physics / Mechanics

Projectile Range Calculator

Compute the horizontal range, time of flight, and maximum height of a projectile launched from level ground at speed v₀...

basic
21,312 4.3 1 min
Physics / Mechanics

Density Calculator

Compute density (ρ = m/V), or rearrange the formula to solve for mass or volume given the other two.

basic
19,171 4.0 1 min
Physics / Mechanics

Pressure Calculator

Compute pressure as force per unit area in pascals, with quick conversions to common engineering units.

basic
13,177 4.1 1 min
Physics / Mechanics

Momentum Calculator

Compute the linear momentum of a moving object as the product of its mass and velocity.

basic
21,711 4.4 1 min
Physics / Mechanics

Free Fall Calculator

Compute how long an object takes to fall from a given height and the velocity it reaches just before impact, ignoring ai...

basic
17,866 4.4 1 min