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Concrete volume = length × width × thickness. One cubic yard = 27 cubic feet. Standard concrete bags: 60-lb bag ≈ 0.45 cu ft; 80-lb bag ≈ 0.60 cu ft. Add 10% waste allowance.
Review the inputs carefully and treat the output as an estimate. For decisions involving money, taxes, health, law, or security, compare the result with trusted professional guidance when needed.
How many bags of concrete per cubic yard?
About 45 sixty-pound bags or 34 eighty-pound bags fill one cubic yard. For large projects, order ready-mix concrete by the cubic yard.
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