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How Much River Rock for 750 Square Feet?

6.94cubic yards

at 3 inches deep — about 375 bags (0.5 cu ft each) or 9.38 tons

Depth	Cubic yards	Cubic feet	0.5 cu ft bags	Approx. tons
2 in	4.63 yd³	125 ft³	250	6.25
3 in (typical)	6.94 yd³	187.5 ft³	375	9.38
4 in	9.26 yd³	250 ft³	500	12.5

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: 750 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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