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I need the formula for figuring cubic yards. for example i have a 100 diameter @ 30 deep. What is the formula to figure my cubic yards

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Where ?=3.14

r^2 is radius square. You have 100 diameter. So 50 is the radius. 50^2=2500

h is height or your depth. When you do your calculations make sure all your measurements are in yards. Meaning radius in yards and depth in yards.

Posted on Apr 18, 2017


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