UTILS

Free online tools to generate, calculate,
convert, format, encode, and play.

Engineering Utils

Engineering calculators for electrical, mechanical, structural, and other engineering disciplines — all running client-side.

Calculate belt length for two-pulley systems. Supports open (flat/V-belt) and crossed belt configurations.

Calculate gear ratios, output speed, torque, and mechanical advantage for gear trains.

Calculate RPM, surface speed, and diameter for rotating machinery. Convert between linear and rotational speed with support for multiple units.

Calculate thread pitch, TPI, minor/major diameters, and tap drill sizes.

Torque Calculator

Calculate torque, force, distance, and rotational power.

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