Free Online Physics Calculators & Problem Solvers

Predict your AP Physics 1, 2, C Mechanics, and C E&M exam scores. Convert raw multiple-choice and free-response scores to the 1–5 scale.

Calculate net force, tension, friction, normal force, and centripetal force using Newton's laws. Includes free-body diagram guidance.

Solve for velocity, acceleration, displacement, and time using the four kinematic equations. Includes projectile motion and free fall calculators.

Calculate kinetic energy (KE = ½mv²), potential energy, work, power, and efficiency. Solve conservation of energy and mechanical advantage problems.

Calculate momentum (p = mv), impulse (J = F·Δt), and collision outcomes. Solve elastic and inelastic collision problems step by step.

Calculate torque (τ = rF sinθ), angular velocity, angular acceleration, moment of inertia, and angular momentum for spinning and rotating objects.

Calculate period, frequency, wavelength, wave speed (v = fλ), and amplitude. Solve pendulum, spring, and simple harmonic motion problems.

Solve the thin lens equation, mirror equation, Snell's law refraction, magnification, and critical angle problems for converging and diverging optics.

Solve Ohm's law (V = IR), Coulomb's law, and series/parallel circuit problems. Calculate current, resistance, capacitance, electric fields, and magnetic forces.

Calculate percent error, uncertainty propagation, significant figures, and standard deviation for physics lab reports and experimental data.

Calculate mass, weight (W = mg), gravitational acceleration, density, and center of gravity on Earth and other planets.

Calculate vector magnitude, add vectors graphically or by components, and find angles between vectors for force, velocity, and displacement problems.

Find the slope, area under a curve, and intercepts from physics graphs. Analyze velocity-time, force-displacement, and energy data from lab experiments.

Calculate heat transfer (Q = mcΔT), specific heat capacity, ideal gas law (PV = nRT), thermal expansion, and entropy changes.

Calculate buoyancy (Archimedes' principle), hydrostatic pressure, fluid flow rate, and solve Bernoulli's equation for pipes and open channels.

Score military fitness tests (Marine PFT, Army ACFT, Air Force, Navy PRT) and estimate calories burned using MET values and body weight.

Calculate physical capital per worker, marginal physical product, and production function outputs for AP and college economics problems.

Calculate photon energy (E = hf), de Broglie wavelength, relativistic energy (E = mc²), and radioactive decay half-life for quantum and nuclear physics.

Calculate decibel levels, Doppler effect frequency shifts, and speed of sound at different temperatures and through various media.

All-in-one physics calculators and scientific calculator guides for any topic. Multi-formula solvers, unit converters, and study tools.

Predict your IB Physics (1–7 scale), New York Physics Regents (0–100), and SAT Physics Subject Test scores from raw marks.

Track physical presence days for U.S. naturalization, measure physical therapy productivity, and estimate biological vs chronological age.