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FLUIDS

Pipe Pressure-Loss Calculator

Darcy–Weisbach pressure loss.

Transparent calculationFormula and assumptions shown
01

Enter your values

02

Your result

Pressure loss39.92kPa
FORMULA USEDΔP = f(L/D)ρv²/2
METHOD

How this calculation works

The calculator substitutes your values into the stated engineering relationship and evaluates the result using the displayed units. Change any input to recalculate instantly.

Important

This is an idealised engineering calculation. Confirm material properties, loading conditions and applicable design factors before specification or construction.