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How Much River Rock for 600 Square Feet?

5.56cubic yards

at 3 inches deep — about 300 bags (0.5 cu ft each) or 7.5 tons

Depth	Cubic yards	Cubic feet	0.5 cu ft bags	Approx. tons
2 in	3.7 yd³	100 ft³	200	5
3 in (typical)	5.56 yd³	150 ft³	300	7.5
4 in	7.41 yd³	200 ft³	400	10

Use rock at least twice as deep as its largest stone size: 2 inches for small (¾–1 inch) rock, 3–4 inches for larger stones. Lay landscape fabric underneath to keep rock from sinking into soil.

The math: 600 sq ft × depth in feet ÷ 27 = cubic yards. One cubic yard of river rock covers 162 sq ft at 2" · 108 sq ft at 3" · 81 sq ft at 4".

River rock is sold by the ton as often as by the yard — the weight figures below are what the quarry will quote.

Different area?

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🧮Exact River Rock Calculator

Same area, other materials

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