QtyLab

An 8 × 10 shed needs a 10 × 12 gravel pad: about 1.7 cubic yards (2.4 tons) of crushed stone at 4 in. Chart for 7 shed sizes at 4 and 6 in.

A 10 × 10 pea gravel patio at 3 inches takes about 1 cubic yard (1.4 tons, 55 bags). Depth chart, amounts for paths, patios and play areas, and bags vs bulk.

One cubic yard of topsoil covers about 81 sq ft at 4 inches deep. Formula, coverage by depth, amounts for common lawns and raised beds, and bags vs bulk.

A 10 × 10 ft paver patio with a 6 in base needs about 3.11 tons (2.22 cubic yards) of paver base with 20% for compaction, or about 120 bags of 50 lb.

A one-story 2,000 sq ft house (40 × 50 ft, 6/12 gable, 12 in overhangs) has about 2,442 sq ft of roof: 26.9 squares or 81 bundles with 10% extra. Two-story: about 42 bundles.

Most asphalt shingles are 3 bundles per square (100 sq ft). A 30 x 40 ft house with a 6/12 roof needs about 50 bundles. Charts by roof area, house size and pitch.

A 12 x 50 ft driveway needs about 11.4 tons of gravel at 4 inches. Tons by driveway size, layer depths and truckloads.

4 x 8 pavers run 4.5 per sq ft, so a 12 x 12 patio needs 713 with 10% extra. Pavers per sq ft by size, patio-size chart, base gravel by depth and bedding sand.

A 12×12 room with 8 ft ceilings takes 19 sheets of 4×8 drywall for walls and ceiling, or 14 for walls only, with 10% waste. Charts for 9 and 10 ft ceilings, 4×12 sheets and other room sizes.

A cubic yard of mulch is 27 cu ft: 13.5 bags of 2 cu ft (buy 14), 18 bags of 1.5 cu ft, or 9 bags of 3 cu ft. Coverage by depth and bag counts for common bed sizes.