📈 Engineering Calculators
Free, accurate engineering calculators for hydraulic, electrical, mechanical, and civil engineering — with Imperial and Metric unit support.
💧 Hydraulic & Fluid Power
Pipe Pressure Drop
Darcy-Weisbach pressure loss in pipes. Supports all pipe materials, fluids, and flow rates.
Hydraulic
Hydraulic Cylinder
Extend/retract force, speed, flow rate, and power for double-acting cylinders.
Hydraulic
Pump Power & Efficiency
Input power, torque, heat generated, and flow for hydraulic pumps.
Hydraulic
Reynolds Number
Determine laminar, transitional, or turbulent flow. Includes fluid presets for common hydraulic oils.
Fluid Dynamics
⚡ Electrical Engineering
🔨 Structural & Mechanical
🚀 Coming Soon
Heat Exchanger Sizing
Log mean temperature difference, UA value, and required area.
Mechanical
Wire / Conduit Sizing
NEC ampacity table lookup with derating factors for conduit fill.
Electrical
Motor HP to Torque
Horsepower, torque, RPM conversions and motor sizing.
Electrical
Pipe / Tubing Sizing
Select pipe schedule based on flow rate and maximum velocity.
Hydraulic