Physics Calculators

Our physics calculator hub covers mechanical advantage, springs, stress and materials, fluid and pressure, motion and force, and machining.

Fluid and Pressure 1 use

Pump Temperature Rise Calculator

This pump temperature rise calculator estimates how much the pumped fluid heats up from inefficiency, based…

Machining 2 uses

Turning Surface Roughness Calculator

This surface roughness calculator estimates the theoretical Ra of a turned surface from the feed rate…

Spring 2 uses

Stiffness Calculator

This stiffness calculator finds the stiffness k of a spring or structural member from the applied…

Motion and Force 2 uses

Vehicle Stopping Distance Calculator

This stopping distance calculator finds the total distance to stop a vehicle, adding the reaction distance…

Mechanical Advantage 2 uses

Hydraulic Cylinder Force Calculator

This hydraulic cylinder force calculator finds the push and pull force from the fluid pressure, bore…

Mechanical Advantage 6 uses

Mechanical Advantage of an Inclined Plane Calculator

This inclined plane mechanical advantage calculator finds the MA of a ramp from its slope length…

Mechanical Advantage 2 uses

Mechanical Advantage of a Wheel and Axle Calculator

This wheel and axle mechanical advantage calculator finds the MA from the wheel radius and the…

Stress and Material 1 use

Mohr’s Circle Calculator

This Mohr’s circle calculator finds the principal stresses and the maximum shear stress from a 2D…

Mechanical Advantage 5 uses

Mechanical Advantage of a Lever Calculator

This mechanical advantage of a lever calculator finds the MA from the lengths of the effort…

Mechanical Advantage 2 uses

Mechanical Advantage of a Wedge Calculator

This mechanical advantage of a wedge calculator finds the MA of a wedge from its sloped…

Mechanical Advantage 3 uses

Mechanical Advantage of a Pulley Calculator

This mechanical advantage of a pulley calculator finds the ideal advantage of a block and tackle…

About Physics Calculators

Our physics calculator hub covers mechanical advantage, springs, stress and materials, fluid and pressure, motion and force, and machining. Choose a tool below to get an instant result, the formula it uses, and a worked example.

From simple machines to shaft stress and flow rates, these calculators apply the standard physics and engineering equations so you do not have to rearrange them by hand. Each page defines its variables and shows a numeric example you can reuse.

Browse the calculators

Mechanical Advantage Calculators

Spring Calculators

Stress and Material Calculators

Fluid and Pressure Calculators

Motion and Force Calculators

Machining Calculators

Frequently Asked Questions

What can I calculate with these physics tools?

Mechanical advantage of levers and pulleys, spring dimensions, stress and deflection, fluid flow and pressure, stopping distance, and machining times. Each tool covers one task with its formula.

Are these physics calculators free?

Yes. Every calculator here is free to use, needs no signup, and works in any browser on mobile or desktop.

Do the calculators explain the formula?

Yes. Each page states the equation, defines every symbol, and gives a worked example so you can check the answer by hand.

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