How much concrete for a 6×14 slab 5 inches thick?
Answer
1.30 cubic yards
49 bags of 80lb concrete mix78 bags of 60lb mix~$195 for ready-mix
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How We Calculated This
Cubic yards = (L × W × D/12) / 27
(14 × 6 × 5/12) / 27 = 35.00 / 27 = 1.30 cubic yards
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Calculated using verified formulas. Last updated March 2026.