AutoEngCalc - Engineering Calculators

Fluid Mechanics Tools

Advanced calculators for pipe flow, pump sizing, valve flow coefficients, pressure drop and flow regime analysis. Accurate results with real-time charts.

Reynolds Number Re
45000
Water • 100mm pipe • 1.5 m/s

Fluid Mechanics Tools

Professional calculators for fluid flow and pump systems

Reynolds Number

Flow regime & hydraulic diameter

Pipe • Duct • Channel Laminar/Turbulent
Access Tool

Darcy Pressure Drop

Friction loss & Moody f

Head Loss Colebrook
Access Tool

Pump Horsepower

Hydraulic • BHP • WHP

Efficiency kW/HP
Access Tool

Cv / Kv Valve

Valve sizing for liquid/gas/steam

IEC 60534 Choked Flow
Access Tool

Flow Rate

Q, velocity, mass flow conversion

Pipe • Channel Units
Access Tool

Orifice / Venturi / Nozzle

DP flow meters, Cd, β

ISO 5167 Flow • ΔP
Access Tool
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