How much concrete for a 24×50 slab 8 inches thick?
Answer
29.63 cubic yards
1112 bags of 80lb concrete mix1778 bags of 60lb mixOrder ready-mix delivery (~$4,445)Add 10% for waste = 32.59 cy
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How We Calculated This
Cubic yards = (L × W × D/12) / 27
(50 × 24 × 8/12) / 27 = 800.00 / 27 = 29.63 cubic yards
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Calculated using verified formulas. Last updated March 2026.