Engineering Tools

Online calculators for mechanical engineering — no registration, no installation, run directly in your browser.

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With formula derivation

Available Calculators

5 ready to use · 0 in development

Calculate drive torque from power and speed — or vice versa. With formula derivation and unit selection.

Calculate output speed and output torque from input values and gear ratio.

Calculate nominal rolling bearing service life per ISO 281 — with dynamic load rating, load, and speed.

Determine static load capacity and safety factor for profiled rail guides.

Determine axial force, travel speed, and motor torque for screw jack gearboxes.

Our guide articles explain the background — from torque calculation to bearing selection.