🚀 Mechanics & Motion Calculators
Kinematics, forces, energy, momentum, rotation and gravity. Browse 82 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.Rotational Kinetic Energy CalculatorFind the kinetic energy of a spinning object from its moment of inertia and angular speed.Rod Moment of Inertia CalculatorCompute the moment of inertia of a thin uniform rod about its centre or about one end.Atwood Machine CalculatorFind acceleration and rope tension for two masses hanging over a frictionless pulley.Spring Potential Energy CalculatorFind the energy stored in a spring compressed or stretched by a given distance.Ballistic Pendulum CalculatorFind a bullet speed from how high a block swings after the bullet embeds in it.Apparent Weight in an Elevator CalculatorFind the weight you feel in an accelerating lift, in newtons and kilogram-force.Bungee Cord Stretch CalculatorEstimate the maximum stretch of a bungee cord and the lowest point of a jump.Wheel and Axle CalculatorFind the mechanical advantage and effort force of a wheel and axle.Vertical Jump Height CalculatorEstimate how high you can jump and how long you stay airborne from take-off speed.Power, Torque and RPM CalculatorConvert engine power and rotation speed into torque in newton-metres and pound-feet.Recoil Velocity CalculatorFind how fast a gun recoils when a bullet is fired, from momentum conservation.Simply Supported Beam Reactions CalculatorFind the support reactions of a beam carrying a single point load.Cantilever Beam Tip Deflection CalculatorFind how far the free end of a cantilever bends under a tip load.Simply Supported Beam Midspan Deflection CalculatorFind how far a beam sags at its centre under a central point load.Axial Stress and Strain CalculatorFind stress, strain and elongation of a bar under a tensile or compressive load.Factor of Safety CalculatorCompare the yield strength of a material with the stress it actually carries.Shaft Shear Stress CalculatorFind the maximum shear stress in a solid circular shaft under torque.Bolt Torque to Preload CalculatorEstimate the clamp force a bolt develops from the tightening torque.Roller Coaster Speed CalculatorFind the speed at a lower point of a frictionless track from the drop height.Weight to Mass CalculatorConvert a weight in newtons into mass in kilograms and pounds.Braking Time and Distance CalculatorFind how long a vehicle takes to stop and how far it travels while braking at constant deceleration.Force to Push a Vehicle Uphill CalculatorFind the steady force needed to move a vehicle up a slope against gravity and rolling resistance.Stair Climbing Power CalculatorEstimate the average power output needed to climb a flight of stairs.Spring Constant from Oscillation Frequency CalculatorFind a spring constant from the attached mass and how fast the mass bounces.Sliding Distance on Friction CalculatorFind how far an object slides to a stop on a surface with kinetic friction.Pendulum Bob Speed and Tension CalculatorFind the speed and string tension of a pendulum bob at its lowest point when released from an angle.Ladder Friction Minimum CalculatorFind the smallest floor friction that keeps a uniform ladder from slipping against a wall.Skid Mark Speed CalculatorEstimate a car speed before braking from the length of its skid marks.Centrifuge Relative Centrifugal Force CalculatorConvert a centrifuge rotor speed and radius into relative centrifugal force (×g).Hoist Motor Power CalculatorFind the mechanical and electrical power a hoist needs to lift a load at a steady speed.Pile Driver Impact Energy CalculatorFind the energy of each blow from a falling ram and how much reaches the pile.Spring Launcher Speed CalculatorFind how fast a projectile leaves a spring launcher when the spring is compressed.Angular Acceleration and Spin-Up Time CalculatorFind the angular acceleration from a net torque and the time to reach a target spin speed.Crumple Zone Crash Force CalculatorEstimate the average force on a vehicle during a crash given how far it crushes.Wrench Torque CalculatorFind the torque applied by a hand force on a wrench at a given angle.Conveyor Lift Power CalculatorFind the power needed to lift a steady stream of material on a conveyor.
About Mechanics & Motion calculators
Kinematics, forces, energy, momentum, rotation and gravity. CalcDepo has 82 free mechanics & motion calculators. Each one shows the formula, the variables and their units, a worked example and a chart of how the result changes, so you can check homework, plan a lab or understand the idea behind the numbers.
Popular calculators here include Newton's Second Law, Weight on Other Planets, Average Speed, Acceleration, Kinematic Equations, Free Fall. Common searches in this category include “how much force to accelerate a car”, “how much would I weigh on mars”, “how fast was i going”, “how quickly does it speed up”.
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