Concrete Footing Calculator
Concrete footing calculator: enter the dimensions to get cubic yards, 80 lb/60 lb bag counts and an estimated cost.
Runs locally in your browser — no upload, no trackingTry: Length=8, Width=1.5, Thickness=8, Waste allowance=10 → 8.8 ft³, 0.33 yd³, 15 (≈14.7), 20 (≈19.6), $49
How to use
A strip footing is a long, shallow rectangular beam that spreads a wall load into the soil. Typical footings are 16–24 in wide and 8–10 in thick; enter the run length, width and thickness. Press Calculate for cubic yards, bag counts and a rough cost. All math runs in your browser.
FAQ
How do I estimate a footing pour?
Enter your dimensions in feet (and thickness in inches), add a 10% waste allowance, then the calculator converts the volume to cubic yards by dividing cubic feet by 27. Bag counts use ~0.6 ft³ per 80 lb bag and ~0.45 ft³ per 60 lb bag.
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