River Rock Coverage Chart
Coverage per cubic yard and per 50 lb bag of river rock at common depths, with a weight quick-reference.
1 cubic yard of river rock covers about 108 sq ft at 3 inches deep or 81 sq ft at 4 inches. A 50 lb bag covers about 2 sq ft at 3 inches.
Per cubic yard
- 2 inches deep: 162 sq ft
- 3 inches deep: 108 sq ft
- 4 inches deep: 81 sq ft
- 6 inches deep: 54 sq ft
Weight
River rock weighs about 1.3 tons per cubic yard. A 50 lb bag holds about 0.5 cubic feet.
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Last reviewed . Educational estimates only; local conditions and codes take precedence. Consult a qualified professional for site-specific decisions.