Engineering Calculators

Engineering calculators for electrical, mechanical, fluid systems, and technical formulas. Each tool includes transparent calculations, units, assumptions, and worked examples.

Part of Engineering.

Calculators

Boiler Feed Pump Calculator
Size a boiler feed pump's capacity from steam output and a safety factor.
Tank Volume Calculator
Calculate cylindrical tank volume in gallons from diameter and height measurements.
Friction Loss Calculator
Calculate pipe friction loss using the Hazen-Williams formula, standard for fire service and plumbing.
Amps to kW Calculator
Convert amps to kilowatts for single-phase and three-phase electrical loads.
Bending Angle Calculator
Calculate sheet metal bend allowance from bend angle, inside radius, thickness, and K-factor.

Guides

Last updated 7/12/2026