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How Much Gravel for 300 Square Feet?

2.78cubic yards

at 3 inches deep — about 150 bags (0.5 cu ft each) or 3.89 tons

Depth	Cubic yards	Cubic feet	0.5 cu ft bags	Approx. tons
2 in	1.85 yd³	50 ft³	100	2.59
3 in (typical)	2.78 yd³	75 ft³	150	3.89
4 in	3.7 yd³	100 ft³	200	5.19

Walkways and decorative areas need 2–3 inches of gravel; driveways need 4 inches or more, usually in two compacted layers over a base. Gravel weighs about 1.4 tons per cubic yard.

The math: 300 sq ft × depth in feet ÷ 27 = cubic yards. One cubic yard of gravel covers 162 sq ft at 2" · 108 sq ft at 3" · 81 sq ft at 4".

For driveways, order crushed stone with fines (e.g. #57 over a crusher-run base) rather than round pea gravel, which never locks in place.

Different area?

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Same area, other materials

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