EmojiKaomoji

Reference tools

Physics & Engineering Calculators

Choose a formula, solve for a variable, and use compatible units.

Mechanics

F = maMechanics

Newton's Second Law

Calculate newton's second law with compatible unit inputs.

Solve for 3 variables →W = mgMechanics

Weight

Calculate weight with compatible unit inputs.

Solve for 3 variables →p = mvMechanics

Momentum

Calculate momentum with compatible unit inputs.

Solve for 3 variables →J = FΔtMechanics

Impulse

Calculate impulse with compatible unit inputs.

Solve for 3 variables →KE = ½mv²Mechanics

Kinetic Energy

Calculate kinetic energy with compatible unit inputs.

Solve for 3 variables →PE = mghMechanics

Gravitational Potential Energy

Calculate gravitational potential energy with compatible unit inputs.

Solve for 4 variables →W = Fd cos θMechanics

Work

Calculate work with compatible unit inputs.

Solve for 3 variables →P = W/tMechanics

Power

Calculate power with compatible unit inputs.

Solve for 3 variables →η = useful / total × 100%Mechanics

Efficiency

Calculate efficiency with compatible unit inputs.

Solve for 3 variables →

Rotation

τ = rF sin θRotation

Torque

Calculate torque with compatible unit inputs.

Solve for 3 variables →ω = θ/tRotation

Angular Speed

Calculate angular speed with compatible unit inputs.

Solve for 3 variables →KE = ½Iω²Rotation

Rotational Kinetic Energy

Calculate rotational kinetic energy with compatible unit inputs.

Solve for 3 variables →F = mv²/rRotation

Centripetal Force

Calculate centripetal force with compatible unit inputs.

Solve for 4 variables →

Fluids

ρ = m/VFluids

Density

Calculate density with compatible unit inputs.

Solve for 3 variables →P = F/AFluids

Pressure

Calculate pressure with compatible unit inputs.

Solve for 3 variables →Q = V/tFluids

Flow Rate

Calculate flow rate with compatible unit inputs.

Solve for 3 variables →

Waves

v = fλWaves

Wave Speed

Calculate wave speed with compatible unit inputs.

Solve for 3 variables →f = 1/TWaves

Period / Frequency

Calculate period / frequency with compatible unit inputs.

Solve for 2 variables →

Electricity

V = IRElectricity

Ohm's Law

Calculate ohm's law with compatible unit inputs.

Solve for 3 variables →P = VIElectricity

Electrical Power

Calculate electrical power with compatible unit inputs.

Solve for 3 variables →E = PtElectricity

Electrical Energy

Calculate electrical energy with compatible unit inputs.

Solve for 3 variables →Q = ItElectricity

Electric Charge

Calculate electric charge with compatible unit inputs.

Solve for 3 variables →E = ½CV²Electricity

Capacitor Energy

Calculate capacitor energy with compatible unit inputs.

Solve for 3 variables →

Thermal

Q = mcΔTThermal

Heat Energy

Calculate heat energy with compatible unit inputs.

Solve for 4 variables →PV = nRTThermal

Ideal Gas Law

Calculate ideal gas law with compatible unit inputs.

Solve for 4 variables →

Chemistry

n = m/MChemistry

Moles / Mass

Calculate moles / mass with compatible unit inputs.

Solve for 3 variables →c = n/VChemistry

Molar Concentration

Calculate molar concentration with compatible unit inputs.

Solve for 3 variables →

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