How much concrete for a 8×8 slab 6 inches thick?
Answer
1.19 cubic yards
45 bags of 80lb concrete mix72 bags of 60lb mix~$179 for ready-mix
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How We Calculated This
Cubic yards = (L × W × D/12) / 27
(8 × 8 × 6/12) / 27 = 32.00 / 27 = 1.19 cubic yards
Related Calculations
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Calculated using verified formulas. Last updated March 2026.