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Pipe Slope Formula
Pipe slope is a run-and-fall conversion. The calculator converts percent slope into fall, inches per foot, pitch ratio and end invert elevation.
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Calculator path
- 1 Pipe slope calculator Primary page for the main search intent.
- 2 Size pipe by flow Supporting formula or reference page.
- 3 Pipe pressure drop calculator Darcy-Weisbach loss, head and velocity from flow and pipe ID.
- 4 Pump flow and HP calculator pump displacement, pressure, flow, kW and horsepower.
- 5 Pump NPSH calculator available suction head and NPSH margin.
Fall from slope
fall = run * slope_percent / 100
Slope from fall
slope_percent = fall / run * 100
Invert elevation
end invert = start invert - fall
Related pages
- Pipe pressure drop calculator - Darcy-Weisbach loss, head and velocity from flow and pipe ID.
- Pipe size by flow velocity - pick a first-pass pipe ID from flow and target velocity.
- Pump flow and HP calculator - pump displacement, pressure, flow, kW and horsepower.
- Pump NPSH calculator - available suction head and NPSH margin.