🚀 Mechanics & Motion Calculators
Kinematics, forces, energy, momentum, rotation and gravity. Browse 46 free mechanics & motion calculators, each with the formula, a worked example and an interactive chart.
Newton's Second Law (F = ma) CalculatorCalculate the net force on an object from its mass and acceleration.Weight on Other Planets CalculatorFind your weight on the Moon, Mars, Jupiter and other worlds.Average Speed CalculatorCompute average speed from distance and time and convert to km/h and mph.Acceleration CalculatorFind acceleration and distance travelled from initial velocity, final velocity and time.Kinematic Equations (SUVAT) CalculatorSolve final velocity and displacement for constant acceleration motion.Free Fall CalculatorFind fall time and impact speed for an object dropped from a height.Projectile Motion CalculatorCalculate range, maximum height and flight time of a launched projectile.Launch Angle for a Target RangeFind the low and high launch angles needed to hit a target at a given range.Centripetal Force CalculatorCompute centripetal force and acceleration for circular motion.RPM to Angular Velocity CalculatorConvert rotation rate to rad/s, frequency and rim speed.Kinetic Energy CalculatorCalculate kinetic energy from mass and speed.Gravitational Potential Energy CalculatorFind gravitational potential energy from mass, height and gravity.Work Done by a Force CalculatorCalculate work from force, displacement and the angle between them.Mechanical Power CalculatorFind power from work and time, in watts and horsepower.Momentum CalculatorCalculate linear momentum from mass and velocity.Impulse and Change in Velocity CalculatorCompute impulse from force and contact time and the resulting change in speed.Elastic Collision Calculator (1D)Find the final velocities of two objects after a perfectly elastic collision.Perfectly Inelastic Collision CalculatorFind the common velocity and energy lost when two objects stick together.Hooke's Law Spring CalculatorCompute spring force and stored elastic energy.Spring-Mass Oscillation Period CalculatorFind the period and frequency of a mass on a spring.Simple Pendulum Period CalculatorFind the period and frequency of a simple pendulum from its length.Friction Force CalculatorCalculate normal force and friction force on a surface or slope.Inclined Plane Acceleration CalculatorFind the acceleration of a block sliding down a ramp with friction.Torque CalculatorCompute torque from force, lever arm and angle.Moment of Inertia CalculatorEstimate moment of inertia for common shapes.Angular Momentum and Rotational Energy CalculatorFind angular momentum and rotational kinetic energy.Rotational Kinematics CalculatorFind final angular velocity and angle turned under constant angular acceleration.Newton's Law of Gravitation CalculatorCalculate the gravitational force between two masses.Density CalculatorFind density from mass and volume.Pressure CalculatorCompute pressure from force and area in Pa, psi and atm.Terminal Velocity CalculatorEstimate terminal velocity of a falling object with air drag.Aerodynamic Drag Force CalculatorCalculate drag force and power needed to overcome it.Lever Balance (Law of the Lever) CalculatorFind the force needed to balance a lever.Pulley System CalculatorFind the effort force needed to lift a load with a pulley system.Center of Mass Calculator (2 Masses)Find the center of mass position of two point masses.Banked Curve Angle CalculatorFind the ideal banking angle for a frictionless turn.Vector Addition Calculator (2D)Add two vectors given magnitude and direction.Car Stopping Distance CalculatorEstimate reaction, braking and total stopping distance.Gear Ratio CalculatorCompute gear ratio, output speed and torque multiplication.Efficiency CalculatorFind efficiency and wasted energy from input and output.Coefficient of Restitution (Bounce) CalculatorFind how bouncy a ball is from drop and rebound heights.Simple Harmonic Motion CalculatorFind position, velocity and acceleration of an oscillator at a given time.Work-Energy Theorem CalculatorFind final speed after a net force does work on an object.Rolling Down a Ramp CalculatorFind the speed of a rolling object at the bottom of a ramp.Pace and Speed ConverterConvert running pace per kilometre to speed and finish times.Spring Constant Combination CalculatorCombine two springs in series or parallel.
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