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How Much Gravel for 600 Square Feet?

5.56cubic yards

at 3 inches deep — about 300 bags (0.5 cu ft each) or 7.78 tons

Depth	Cubic yards	Cubic feet	0.5 cu ft bags	Approx. tons
2 in	3.7 yd³	100 ft³	200	5.19
3 in (typical)	5.56 yd³	150 ft³	300	7.78
4 in	7.41 yd³	200 ft³	400	10.37

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: 600 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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