Concrete Column Calculator
Concrete column 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: Diameter=1, Depth=4, Waste allowance=10 → 3.5 ft³, 0.13 yd³, 6 (≈5.8), 8 (≈7.7), $19
How to use
Columns and piers are round vertical pours: sonotubes, deck posts, and structural piers. Enter the tube diameter and the pour depth in feet. No thickness-in-inches here — depth is already in feet. Press Calculate for cubic yards, bag counts and a rough cost. All math runs in your browser.
FAQ
How much concrete for a round column?
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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