Cylinder Cubic Yardage Calculator

Estimate volume in cubic yards for round concrete columns, sonotube footings, or circular excavations.

Sonotube / Column Diameter 18 in

10 in 12 in 18 in 24 in

Depth / Height (ft) 6 ft

3 ft 4 ft 6 ft 10 ft

Number of Identical Columns

Total Concrete Volume

~ 71 Premix Bags (80 lb)

Total Cubic Feet

Vol per Column

Measurement

Frequently Asked Questions

Understanding cylinder cubic yardage calculations.

Calculate volume in cubic feet using π × r² × h (with r and h in feet), then divide the total cubic feet by 27 to obtain cubic yards.

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