Calculate how much concrete you need for a slab in cubic feet, cubic yards, and number of bags.
Calculate how much concrete you need for a slab in cubic feet, cubic yards, and number of bags.
Volume = L × W × (T/12) in cubic feet
10×12 ft at 4 inches thick = 40 cu ft = 1.48 cu yd ≈ 67 80-lb bags.
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What is Concrete Calculator?
Calculate how much concrete you need for a slab in cubic feet, cubic yards, and number of bags.
What formula does this use?
This calculator uses: Volume = L × W × (T/12) in cubic feet
Is this calculator free?
Yes! All calculators on CalcNest AI are 100% free with no account required.
Is my data safe?
Absolutely. All calculations run locally in your browser. We never store or transmit your input data.