Physics Calculators

Browse free online physics calculators for motion, forces, springs, vectors, energy, and other common mechanics topics. These tools help you calculate quantities such as acceleration, free fall time, circular motion, projectile motion, simple harmonic motion, vector operations, and more.

Motion Calculators

Acceleration Calculator

Calculate displacement, distance, initial velocity, final velocity, average velocity, average speed, travel time, and acceleration for constant-acceleration motion.

Circular Motion Calculator

Calculate centripetal acceleration, angular velocity, speed, period, frequency, and radius for uniform circular motion.

Free Fall Calculator

Calculate free fall distance, velocity, time, and related motion values without air resistance.

Projectile Motion Calculator

Calculate projectile motion quantities such as flight time, maximum height, horizontal distance, launch angle, and landing angle.

Trajectory Calculator

Calculate projectile range, maximum height, and flight time for horizontal projectile motion.

Inclined Plane Calculator

Calculate friction force, normal force, and acceleration for an object moving on an inclined plane.

Springs and Oscillation

Hooke's Law Calculator

Calculate spring displacement, spring constant, and restoring force using Hooke’s law.

Elastic Potential Energy Calculator

Calculate the potential energy stored in a stretched or compressed spring.

Simple Harmonic Motion Calculator

Calculate period, frequency, angular frequency, amplitude, displacement, velocity, and acceleration for a simple harmonic spring oscillator.

Simple Pendulum Calculator

Calculate pendulum period, frequency, gravity, and pendulum length using the simple pendulum equation.

Vector Calculators

Dot Product Calculator

Calculate the dot product, vector magnitudes, and the angle between two vectors.

Vector Cross Product Calculator

Calculate the cross product of two vectors.

Vector Addition Calculator

Calculate the addition and subtraction of two vectors in component form.

2D Vector Addition Subtraction Calculator

Calculate the addition and subtraction of up to five 2D vectors with graphs.

Vector Magnitude and Angle Calculator

Calculate vector magnitude and direction angle from components, or find components from magnitude and angle.

Forces, Energy, and Other Physics Calculators

Newton's Second Law Calculator

Calculate force, mass, or acceleration from Newton’s second law of motion.

Tension Calculator of Two Ropes with Different Angles

Calculate rope tensions for a mass supported by two ropes at different angles.

Kinetic Energy Calculator

Calculate kinetic energy, velocity, and mass.

Work Calculator

Calculate the work done on an object by a constant force over a given distance.

Density Calculator

Calculate the density of an object from mass and volume.

Popular Physics Calculator Topics

Free Fall Calculator Circular Motion Calculator Simple Harmonic Motion Calculator Simple Pendulum Calculator Hooke's Law Calculator Vector Addition Calculator Dot Product Calculator Projectile Motion Calculator