Concrete Patio Calculator
Concrete patio calculator: estimate cubic yards, 80 lb/60 lb bags and cost for a typical patio calculator pour.
Runs locally in your browser — no upload, no trackingTry: Length=12, Width=12, Thickness=4, Waste allowance=10 → 52.8 ft³, 1.96 yd³, 89 (≈88), 118 (≈117.3), $293
How to use
A 12×12 ft patio at 4 in is the textbook backyard slab. Bump to 5 in if you will set a hot tub or outdoor kitchen on it. The values above match a typical patio calculator. Adjust them to your plan and press Calculate.
FAQ
How much concrete for a 12×12 patio?
Use the typical dimensions above as a starting point, then adjust to your plan. The calculator turns the volume into cubic yards (÷27) and into 80 lb/60 lb bag counts using ~0.6 and ~0.45 ft³ per bag, plus a rough cost at a $150/yd³ market average.
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