Free tool · HVAC / Plumbing
Pipe Water Volume Calculator
Find how much water a piping system holds, for expansion tanks, chemical dosing and filling.
Free · no sign-in requiredPurpose
Find how much water a piping system holds, for expansion tanks, chemical dosing and filling.
Inputs required
Pipe standard, sizes and lengths for each line.
Standards followed
IS 1239, IS 3589 and ASME B36.10 internal diameters.
Free to use. No sign-in needed.
Open the Pipe Water Volume CalculatorEngineering reference & methodology
What you get
Water volume per line and total system volume.
Results are preliminary design guidance. Verify every value against the edition of each standard adopted by your project or authority having jurisdiction, and against manufacturer performance data, before using it in design or procurement.
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