Pipe Fitting Pressure Drop Calculator

Calculate equivalent length and pressure drop through pipe fittings, valves, and bends using K-factor method.

Fluid velocity in the pipe.
m/s
Water: 998 kg/m³.
kg/m³
90° elbow: 0.75, Tee-branch: 1.8, Gate valve: 0.17, Globe: 10.
Count of identical fittings in the run.
Inside diameter of the pipe.
mm
Used to convert K to equivalent length. Typical: 0.02.

Results

Pressure Drop per Fitting-kPa
Total Fitting Pressure Drop-kPa
Equivalent Length per Fitting-m
Total Equivalent Length-m
References: Crane TP-410 — Flow of Fluids; ASHRAE Fundamentals