50 calculators / Physics

What are you working out?

Choose a calculation. Every tool includes its units, formula and a worked example.

Motion01

Average Speed

Average speed summarizes a complete journey using total path length and elapsed time.

Open calculator ↗
Motion02

Travel Distance

Constant-speed travel produces a distance proportional to elapsed time.

Open calculator ↗
Motion03

Travel Time

Dividing a path length by steady speed estimates the time needed to cover it.

Open calculator ↗
Motion04

Average Acceleration

Acceleration measures how velocity changes over time and can be signed in one dimension.

Open calculator ↗
Motion05

Final Velocity

Uniform acceleration changes velocity by a fixed amount each second.

Open calculator ↗
Motion06

Displacement under Acceleration

The displacement combines the initial-velocity contribution with the effect of constant acceleration.

Open calculator ↗
Motion07

Free-Fall Time

An object released from rest accelerates downward under a uniform gravitational field.

Open calculator ↗
Motion08

Free-Fall Impact Speed

Conservation of energy relates a drop from rest to the ideal final speed.

Open calculator ↗
Motion09

Projectile Range

The ideal horizontal range depends on launch speed and elevation angle when landing height equals launch height.

Open calculator ↗
Motion10

Projectile Maximum Height

Only the vertical component of launch velocity determines height above the launch point in an ideal trajectory.

Open calculator ↗
Motion11

Projectile Flight Time

A symmetric ideal trajectory spends equal time rising and falling to its original elevation.

Open calculator ↗
Forces12

Force from Acceleration

Newton's second law connects net force to acceleration for constant mass.

Open calculator ↗
Forces13

Weight Force

Weight is a force caused by gravity and varies with gravitational field strength.

Open calculator ↗
Forces14

Momentum

Linear momentum combines mass with signed velocity in one dimension.

Open calculator ↗
Forces15

Impulse

Impulse accumulates force over time and equals the change in momentum.

Open calculator ↗
Forces16

Spring Force Magnitude

Hooke's law relates small elastic deformation to restoring force magnitude.

Open calculator ↗
Forces17

Kinetic Friction

A simple dry-friction model estimates sliding resistance from normal force and a friction coefficient.

Open calculator ↗
Rotation18

Torque Magnitude

Torque depends on the force component perpendicular to the lever arm.

Open calculator ↗
Rotation19

Centripetal Acceleration

Circular motion requires inward acceleration even at constant speed.

Open calculator ↗
Rotation20

Centripetal Force

The net radial force needed for circular motion grows with the square of speed.

Open calculator ↗
Energy21

Kinetic Energy

Translational kinetic energy is the energy associated with motion of a mass.

Open calculator ↗
Energy22

Gravitational Potential Energy

Near a planetary surface, a change in height changes gravitational potential energy approximately linearly.

Open calculator ↗
Energy23

Spring Potential Energy

An ideal linear spring stores elastic energy as it stretches or compresses.

Open calculator ↗
Energy24

Work by Constant Force

Work depends on the component of a constant force along the displacement.

Open calculator ↗
Energy25

Average Mechanical Power

Power describes the rate of transferring energy or doing work.

Open calculator ↗
Energy26

Mechanical Efficiency

Efficiency compares useful output with the total energy supplied to a defined system.

Open calculator ↗
Matter27

Mass Density

Density connects how much mass occupies a measured volume.

Open calculator ↗
Fluids28

Pressure from Force

Average pressure spreads a normal force over its contact area.

Open calculator ↗
Fluids29

Hydrostatic Pressure

Fluid pressure rises with depth under uniform density and gravity.

Open calculator ↗
Fluids30

Buoyant Force

Buoyancy equals the weight of displaced fluid in the elementary hydrostatic model.

Open calculator ↗
Fluids31

Volume Flow Rate

Volumetric flow connects average speed through a section with that section's area.

Open calculator ↗
Fluids32

Mass Flow Rate

Mass flow converts a volume flow using the density at the measurement conditions.

Open calculator ↗
Waves33

Wave Speed

A wave travels one wavelength during one cycle, linking frequency, wavelength and propagation speed.

Open calculator ↗
Waves34

Wave Frequency

Frequency is the number of cycles passing a point per second.

Open calculator ↗
Waves35

Oscillation Period

The period is the duration of a single repeating cycle.

Open calculator ↗
Waves36

Simple Pendulum Period

A simple pendulum's small-angle period depends primarily on length and gravity.

Open calculator ↗
Waves37

Mass-Spring Period

An ideal mass-spring oscillator has a period set by inertia and restoring stiffness.

Open calculator ↗
Rotation38

Angular Speed from RPM

Angular speed converts complete turns per minute into radians per second.

Open calculator ↗
Rotation39

Tangential Speed

Points farther from a rotation axis move faster at the same angular speed.

Open calculator ↗
Rotation40

Solid Disk Moment of Inertia

A uniform solid disk resists angular acceleration according to its mass distribution about the central axis.

Open calculator ↗
Rotation41

Rotational Kinetic Energy

Rotational energy depends on angular speed and how mass is distributed around the axis.

Open calculator ↗
Rotation42

Angular Momentum

For rotation about a fixed principal axis, angular momentum is inertia times angular velocity.

Open calculator ↗
Thermal43

Sensible Heat

Sensible heat changes temperature without changing phase.

Open calculator ↗
Thermal44

Latent Heat

Latent heat estimates energy involved in a phase change at the appropriate transition condition.

Open calculator ↗
Thermal45

Linear Thermal Expansion

A linear expansion model estimates a small length change from temperature difference.

Open calculator ↗
Thermal46

Ideal Gas Pressure

The ideal gas law relates pressure, amount, temperature and volume.

Open calculator ↗
Thermal47

Celsius to Kelvin

The Kelvin and Celsius scales have equal interval sizes but different zero points.

Open calculator ↗
Thermal48

Celsius to Fahrenheit

This affine conversion changes both interval size and reference zero.

Open calculator ↗
Units49

Speed Conversion

Kilometres and hours convert independently into metres and seconds.

Open calculator ↗
Units50

Energy Conversion

A kilowatt-hour combines a power level with a duration to measure energy.

Open calculator ↗