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How Much River Rock for 250 Square Feet?

2.31cubic yards

at 3 inches deep — about 125 bags (0.5 cu ft each) or 3.13 tons

Depth	Cubic yards	Cubic feet	0.5 cu ft bags	Approx. tons
2 in	1.54 yd³	41.7 ft³	84	2.08
3 in (typical)	2.31 yd³	62.5 ft³	125	3.13
4 in	3.09 yd³	83.3 ft³	167	4.17

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: 250 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

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