Free online calculator
Pipe Volume / Hydrotest Fill
How much water to fill a line — internal volume in litres from OD, wall and length.
How it works
- ID = OD − 2 × wall
- Volume = π/4 × ID² × length
- Result in litres (1 L water ≈ 1 kg)
Worked example
Ø114.3, t 6.02, 10 m → ID 102.3 mm, ≈ 82 L.
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Reference tool — always validate against project specs. Not a substitute for a qualified engineer.