Calculate the internal volume of a pipe or cylinder in gallons, liters, and cubic units.
Pipe Dimensions
Volume Capacity
Need Pipe Capacity?
Enter the inner diameter and length to calculate the total fluid volume.
About this calculator
Overview
Knowing the volume of a pipe is essential for plumbing, irrigation, and engineering projects. This calculator helps you determine how much fluid a pipe can hold based on its inner dimensions.
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Pro Tips
Always use the inner diameter (ID) for volume calculations, not the outer diameter (OD).
For long pipelines, even small diameter differences can lead to significant volume changes.
Remember to account for fittings and bends which might slightly affect total system volume.
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Fun Facts
"Pipe volume increases with the square of the diameter; doubling the diameter quadruples the volume."
"A standard 1-inch pipe holds about 0.04 gallons per foot of length."
"The term 'schedule' in pipe sizing refers to the wall thickness, which affects the inner diameter."
