Physics Calculators

Calculate acceleration from initial and final velocities.

Calculate the angular velocity of a rotating object.

Calculate F = ρgV.

Calculate C = Q/V.

Calculate the force required to keep an object moving in a circle.

Free online Coulomb's Law calculator. Find the electrostatic force of attraction or repulsion between two point charges.

Calculate Density = m/v.

Calculate P = VI.

Calculate escape velocity.

Calculate F = ma.

Calculate the velocity and distance of an object in free fall.

Calculate f = 1/T.

Calculate the force of friction given the coefficient of friction and normal force.

Calculate F = G*m1*m2/r^2.

Free online gravitational force calculator. Find the force of gravity between two objects based on their masses and distance.

Calculate the remaining quantity of a substance based on its half-life and time elapsed.

Calculate F = -kx.

Free online Hooke's Law calculator. Find the restoring force and elastic potential energy of a spring based on its extension.

Free online ideal gas law calculator. Solve for pressure, volume, temperature, or moles using PV=nRT.

Calculate KE = 1/2 mv^2.

Calculate the force of kinetic friction between two sliding surfaces.

Calculate the Mach number of an object based on its velocity and the speed of sound.

p = mv

Calculate V = IR.

V = IR

Free online simple pendulum calculator. Calculate the period (T) and frequency (f) based on string length and gravity.

Calculate the energy of a photon from its wavelength or frequency.

PE = mgh

P = W / t

Calculate P = W/t.

Calculate P = F/A.

Free online projectile motion calculator. Calculate maximum height, range, and time of flight given initial velocity and angle.

Calculate the Reynolds number to predict fluid flow patterns (laminar or turbulent).

Free online Snell's law calculator. Calculate the angle of refraction and critical angle between two mediums.

Free online specific heat calculator. Calculate the heat energy required to change the temperature of a substance using Q = mcΔT.

Speed of sound in air by temp.

Calculate the spring constant (k) using Hooke's Law.

Free online torque calculator. Calculate rotational force (torque) using force, distance from the fulcrum, and the angle of application.

Calculate v = d/t.

Calculate the volumetric flow rate of a fluid through a pipe.

Calculate T = 1/f.

Calculate λ = v/f.

Calculate W = Fd.