Engineering Calculators

Trusted, authoritative calculators for electrical, mechanical, structural, fluids, materials, and every core discipline. Power up your engineering projects with instant results and detailed methods.

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Ohm's Law

V = I × R, all forms

Amps to Watts

Current to electrical power

Watts to Amps

Power to current converter

Three Phase Power

For motors, grids, industry

Dead Load

Structural, slab, and roof weights

Beam Design (Eurocode 3)

Steel beam sizing per EN standard

Materials Volume

Concrete, gravel, aggregates

Subcategories

Electrical Calculators

Power, amps, ohm's law, wattage, voltage calculators for all electrical engineering work.

Structural Engineering

Beam, dead load, eurocode, and safety tools.

Mechanical Engineering

Force, material, energy, and machine calculators.