HydrionisGlobal Water Intelligence
Treatment & filtration

Pipe volume calculator

Volume of water held in a length of pipe — needed for flushing, disinfection and dead-leg assessment.

Inputs

Internal, not nominal. "15 mm" copper is about 13.6 mm internally.

Result
Volume held
3.534litres
Per metre
0.1767litres/m
Time to flush at 6 l/min
35seconds

Method

Volume = π × (internal diameter ÷ 2)² × length.

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