Q: If you pour 85 yards of concrete 4 inches thick how many sq ft is that?

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How many square yards in a 20x18 feet 3 inches thick

1.62

50x100x4 = 20,000 cubic inches36 inches in a yard20,000/36 = 555 5/9 cubic yards.

16 * 20 = 320 sq ft. at 4" thick concrete will cover 80 sq ft. 320 / 80 = 4 yards.

about 26.4 is the volume i think.......

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6.67 Cubic Yards

How many square yards in a 20x18 feet 3 inches thick

39.1116 cubic yards

15 cubic yards

15 cubic yards

8.25 cubic yards of concrete

Depends on how thick it is. At 4 inches thick, you would nee about 5.5 cubic yards adjusting for safety. At 6 inches, you'd need about 8 cubic yards. You can play with different thicknesses with the linked concrete pad calculator.

7.1

151/9 cubic yards for every 12 inches thick

It should be a little over 19 yards.

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