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How much concrete for a 8×10 slab 8 inches thick?

Answer
1.98 cubic yards
75 bags of 80lb concrete mix119 bags of 60lb mix~$297 for ready-mix

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How We Calculated This

Cubic yards = (L × W × D/12) / 27

(10 × 8 × 8/12) / 27 = 53.33 / 27 = 1.98 cubic yards

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Calculated using verified formulas. Last updated March 2026.