Pipe Flow Calculator
Pipe Flow Calculator
Calculate flow velocity, friction head loss, and Reynolds Number interactively using the Darcy-Weisbach equation.
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Calculate flow velocity, friction head loss, and Reynolds Number interactively using the Darcy-Weisbach equation.
Real-time fluid dynamics calculator
System gravity (āļāđāļēāļāļ§āļēāļĄāđāļĢāđāļāđāļāđāļĄāļāđāļ§āļāļāļĩāđāļĢāļ°āļāļāđāļāđ): g = 9.80665 m/sÂē
āļāđāļēāļĄāļēāļāļĢāļāļēāļāļāļĩāđāđāļāđāļāļąāļ Darcy-Weisbach / Colebrook-White / Moody Chart āļŠāļģāļŦāļĢāļąāļāļāđāļāđāļŦāļĄāđāđāļĨāļ°āļŠāļ°āļāļēāļ
| āļ§āļąāļŠāļāļļāļāđāļ | Îĩ (mm) |
|---|---|
| āđāļŦāļĨāđāļāļāļēāļĢāđāļāļāļ/āđāļŦāļĨāđāļāļāļģ (Commercial Steel) | 0.045-0.046 |
| āļŠāđāļāļāđāļĨāļŠ | 0.015 |
| āđāļŦāļĨāđāļāļāļļāļāļŠāļąāļāļāļ°āļŠāļĩ (Galvanized) | 0.15 |
| PVC / āļāļĨāļēāļŠāļāļīāļāļāļīāļ§āđāļĢāļĩāļĒāļ | 0.0015 |
| HDPE / PE | 0.007 |
| āđāļŦāļĨāđāļāļŦāļĨāđāļ (Cast Iron) | 0.26 |
Reynolds Number
42441
Flow Regime
turbulent
Geometry Provenance
Custom Input
Note on Pressure Drop:Pressure Drop shown here represents straight-pipe major friction loss calculated with the Darcy-Weisbach equation. Minor/local losses are not included.