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Both calculators run independently β€” change the inputs on either side to compare results.

Mechanical

Pulley Speed Calculator

Calculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts.

Fill in the required fields to see your result.
Mechanical

Spring Force Calculator

Calculate the restoring force a spring exerts when compressed or stretched using Hooke's Law. Use it for spring selection, mechanism design, physics problems, and any application involving elastic force.

Fill in the required fields to see your result.

Key differences

Pulley Speed CalculatorSpring Force Calculator
CategoryMechanicalMechanical
Inputs required32
ResultOutput Speed (rpm)Spring Force (N)
What it doesCalculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts.Calculate the restoring force a spring exerts when compressed or stretched using Hooke's Law. Use it for spring selection, mechanism design, physics problems, and any application involving elastic force.