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how to figure yards of concrete for a pad. Calculate concrete volume of a round slab. That means a 80-pound bag of concrete mix will yield 06 cubic feet of concrete a 60-pound bag will yield 045 cubic feet and a 40-pound bag yields 03 cubic feet.
Youll see both cubic yards and cubic meters in the answer area. That means a 80-pound bag of concrete mix will yield 06 cubic feet of concrete a 60-pound bag will yield 045 cubic feet and a 40-pound bag yields 03 cubic feet. This calculator is to be used as an estimating tool ONLY.
Multiply the thickness in feet by the square footage to determine.
If you have concrete delivered it is sold by the yard which is a cubic yard. Cost is usually determined by the size of the wall the selected materials and the amount of labor needed. Get a concrete cost estimate for the project. Area of the Circle ft 2 Pi x Diameter22.