Pipe Pressure Drop Calculator

Darcy-Weisbach Equation — For Industrial Piping Systems

📐 Input Parameters

m³/hr
mm
m
kg/m³ (water = 1000)
Pa·s (water = 0.001)

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The free calculator above handles single straight pipe. The Pro Excel Workbook includes:
Fittings & valves K-factor library • Pump sizing integration • Multi-pipe system comparison • Auto unit conversion • Print-ready calculation sheets

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Based on Darcy-Weisbach equation with Colebrook-White friction factor.
For educational and preliminary design use. Always verify with final engineering calculations.
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