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formula for yards of concrete. Now you have to know the cubic feet measurement. The calculation that you get is the volume of your tubes only and does not account for any overflow or loss at the bottom of your tubes.
This calculator is to be used as an estimating tool ONLY. Multiply 008 x 50 4 total cubic yards of concrete for 50 tubes. If you divide 393 cubic feet by 27 39327 146 cubic yards.
If you divide 393 cubic feet by 27 39327 146 cubic yards.
Multiply the answer by 50 of concrete for 50 tubes 008 x 50. Calculate the volume of concrete you need in cubic yards. Now divide by 27. How to Calculate Concrete.