ganak.appEngineering Calculators
8 calculators · Updated May 2026
Free engineering calculators for electrical power conversion, pipe friction loss, and power factor analysis. Convert amps to kW (and back), calculate pipe pressure drop, and size capacitor banks — all with step-by-step solutions.
Popular in Engineering
Amps to kW Calculator
Convert amps to kilowatts for DC, single-phase AC, and three-phase AC circuits. Supports power factor, line-to-line and line-to-neutral voltage, and multiple units.
kW to Amps Calculator
Convert kilowatts to amps for DC, single-phase AC, and three-phase AC circuits. Find current draw from power rating for wire sizing, breaker selection, and panel capacity checks.
Friction Loss Calculator
Calculate pipe friction loss and pressure drop using Darcy-Weisbach, Hazen-Williams, or Manning equations. Supports multiple fluids, temperatures, pipe materials, and fittings.
Power Factor Calculator
Calculate power factor from real and apparent power, voltage and current, or phase angle. Supports single and three-phase systems, power triangle analysis, and PF correction with capacitor sizing in kVAR and µF.
All Engineering Calculators
Watts to Lumens Calculator
Convert watts to lumens for LED, CFL, halogen, incandescent, and industrial bulbs. Compare wattage across bulb types and find the right replacement.
Lumens to Watts Calculator
Convert lumens to watts for LED, CFL, halogen, and incandescent bulbs. Find how many watts you need for your desired brightness and compare bulb types.
Viscosity Index Calculator
Free Viscosity Index calculator per ASTM D2270. Calculate VI from kinematic viscosity at 40°C & 100°C. Includes oil classification chart, reverse calculations, and worked examples.
Gas Strut Calculator
Calculate gas strut force, length, and mounting position for hatches, toolboxes, cabinets, and doors. Supports metric and imperial units with step-by-step calculation.
Why Use Engineering Calculators?
Electrical and mechanical engineers need precise, verifiable calculations for circuit sizing, pump selection, and power system design. These calculators handle the formulas instantly, support multiple unit systems, and show every step so you can verify the result. Built for electricians, mechanical engineers, plumbers, and students.