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how to find yards of concrete. This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and amounts of concrete. Choose Round Column or Round Slab on the calculator.
Multiply the length 10 ft by the width 10 ft by the depth 35 ft or 4 in and divide it by 27 the number of cubic feet in a cubic yard. The weight of concrete is determined by its density which can vary based on the amount of aggregate water and air in the mix. Not all concrete forms are created the same.
How to Calculate Concrete.
Multiply the length 10 ft by the width 10 ft by the depth 35 ft or 4 in and divide it by 27 the number of cubic feet in a cubic yard. Pi 314 r2 radius squared or radius x radius radius is 12 the diameter. Convert the volume from feet to cubic yards to get the number of cubic yards of concrete youll need. Click the button to calculate the volume of concrete and man-hours not including mixing needed for this job.