Construction material calculators.

Measure in feet and inches, adjust the real-world allowance, and get the purchase unit used by US suppliers. Check every result against the actual product and project.

Concrete01

Cubic yards and bags

Estimate ready-mix yards and 40, 60, or 80 lb bags for a rectangular slab.

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Gravel02

Yards and tons

Turn a driveway or base-course area into cubic yards and estimated tons.

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Mulch03

Bulk yards and bags

Calculate landscape-bed volume, bulk cubic yards, and bag count by depth.

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Paint04

Gallons by room

Estimate gallons from room dimensions, coats, coverage, doors, and windows.

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Drywall05

Sheets for walls and ceiling

Estimate 4×8, 4×10, or 4×12 sheets with openings and waste included.

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Flooring06

Square feet and boxes

Calculate purchase area and full boxes for tile, laminate, or plank flooring.

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