Mechanical Calculators

Calculators for mechanical power transmission and structural systems.

Mechanical Power Transmission

Calculators for belts, pulleys, gears, and more.

Calculate the speed of a driven pulley and the belt speed in a two-pulley system.

Estimate the required belt length for a two-pulley system.

Calculate output speed based on input speed and gearbox ratio, or solve for any variable.

Calculate power (HP) from torque and rotational speed.

Calculate torque based on the force applied at a distance from an axis of rotation.