Drainage & Levels

Pipe Gradient Calculator

Calculate pipe fall from length and gradient percentage.

Pipe Gradient Calculator

Enter your values below and press calculate.

Enter your values above to see the result.

Formula used

Fall = length × gradient %. Fall is shown in metres and millimetres.

Example

30m at 1% gives 0.3m fall, or 300mm.

Important note

Pipe gradients should be checked against design standards, pipe size, hydraulic requirements and project specification.

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