Tools

Drainage Calculator

Hydraulic sizing for subsurface drainage projects

What the drainage calculator sizes

The Drainage Calculator sizes HDPE drainage pipes based on the design flow rate, terrain slope, and soil characteristics, using Manning's equation for conduit flow. The result guides:

For project validation, Techduto's engineering team reviews the calculation memorandum.

Need help with sizing?

Our engineers can validate the calculations and specify the ideal solution.

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