Physics Calculators
18 free tools — pick one to get started.
Acceleration Calculator
Calculate acceleration from initial velocity, final velocity, and time.
Force Calculator
Calculate force from mass and acceleration using Newton's second law.
Kinetic Energy Calculator
Calculate the kinetic energy of a moving object.
Potential Energy Calculator
Calculate gravitational potential energy at a given height.
Work Done Calculator
Calculate work done by a constant force over a displacement.
Density Calculator
Calculate density from mass and volume.
Pressure Calculator
Calculate pressure from force and area.
Electrical Power Calculator
Calculate electrical power from voltage and current.
Ohm's Law Calculator
Solve for voltage, current, or resistance given any two of the three.
Weight Calculator
Calculate weight (gravitational force) from mass and gravitational acceleration. Includes presets for planets.
Momentum Calculator
Calculate the linear momentum of a moving object.
Impulse Calculator
Calculate impulse from force × time, and the resulting change in momentum.
Universal Gravitation Calculator
Calculate the gravitational force between two masses using Newton's Law of Universal Gravitation.
Escape Velocity Calculator
Calculate the minimum speed needed to escape a celestial body's gravitational pull.
Orbital Period Calculator (Kepler's 3rd Law)
Calculate the orbital period of a satellite or planet using Kepler's 3rd law.
Projectile Motion Calculator
Calculate range, max height, and flight time for a projectile launched with given speed and angle.
Pendulum Period Calculator
Calculate the period of a simple pendulum (small-angle approximation).
Simple Harmonic Motion Calculator
Calculate period, frequency, and angular frequency for a spring-mass system in simple harmonic motion.