Concrete Tube Estimator

Your details

Pick the standard Sonotube size or choose Custom to enter any diameter.
How deep or tall you need to fill the tube with concrete.
ft
Total number of identical tube forms on this project.
columns
Extra concrete to order above the theoretical volume. 10% is standard for mix waste and uneven holes.
%
The bag size you plan to buy. An 80 lb bag yields about 0.60 ft3, a 60 lb bag about 0.45 ft3, and a 40 lb bag about 0.30 ft3.
Leave at 0 to skip cost estimation. Enter the price of one premix bag at your supplier.
USD
Volume (cu ft)
9.6ft³

Total concrete needed including the waste buffer

Volume (cu yd)0.356yd³
Volume (m³)0.2718m³
Bags needed16bags
Total weight1,277lb
Total weight (kg)579kg
Volume (ft³)9.6
Volume (yd³)0.356
Volume (m³)0.2718

9.60 ft³ of concrete needed across 4 columns.

  • You need 16 x 80 lb premix bags to fill 4 columns.
  • Always add 5-10% extra for waste; this calculator already includes your chosen waste buffer.

Next stepVisit your local hardware store to confirm current bag prices and availability before finalising your order.

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