Concrete Sonotube Calculator
Concrete sonotube calculator: estimate cubic yards, 80 lb/60 lb bags and cost for a typical sonotube calculator pour.
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
Sonotubes are round cardboard forms for deck and porch piers. A 12 in (1 ft) tube poured 4 ft deep is a common deck pier; size up for beam loads. The values above match a typical sonotube calculator. Adjust them to your plan and press Calculate.
FAQ
How much concrete for a sonotube?
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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