Construction Unit Converter
Convert length, area, and volume units used on jobsites.
Area, Volume & Units
Calculate cylinder volume for tanks, piers, and pipes.
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Educational US estimate only. Not engineering, structural, code, or professional construction advice. Mix designs, codes, and local conditions vary — verify with licensed professionals and your building department.
BuildToolsHub takeoffs separate net measured quantities from ordered quantities. Ordered qty = net × condition-based waste, then rounded for plant or package sizes (e.g. ready-mix to the nearest 0.5 yd³).
Use the Order tab for a supplier call sheet and the Assumptions panel for the exact factors applied to this run.
Calculate cylinder volume for tanks, round piers, and drums using diameter and height.
Convert to gallons or cubic yards as needed for ordering and capacity checks.
This tool assumes a right circular cylinder; horizontal tanks need different math when partially filled.
About 7.48 gallons per cubic foot.
Use inside dimensions for internal capacity.
No. Educational estimates only. Verify with a licensed professional and local codes.