Q: How much concrete for a slab 4 feet wide 8 feet long and 4 inches deep?

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you would need 37.33 yards of concrete or 38 to be safe

0.246914 cu. yards (6.666667 cu. ft ) of concrete is needed.

387 cubic feet. This is because 43x18x0.5 (as six inches is 1/2 of a foot) =387.

Five. 100 feet times 4 feet times 1/3 foot (4") is100*4/3=133.33...cubic feetI believe a "yard of concrete" is a cubic yard and so = 33 = 27 cubic feet133.33 / 27 = almost 5 (4.9382716...)

8 feet = 96 inches.

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87.5 cubic feet

you would need 37.33 yards of concrete or 38 to be safe

147 cubic feet of cement are required.

Volume = 12 cubic feet = (12 / 27 ) 0.444 cubic yard

(60 x 1.5 x 13/12) / 27 = 3.61 cubic yards

26 square feet.

Essentially, you need three and a third cubic yards of concrete to replace that quantity to those measurements - so if the cost of a cubic yard of concrete is 30, multiply it by 3.333 and you get 100

Volume of concrete required, in square feet = 27 x 4 x 0.5 = 54 cu ft, which is 2 cubic yards, so 80 dollars/pounds/yen/ringgit or whatever.

about 18 cubic feet.

6,400 ft3

14.6944... sq ft = 46x46/144

0.246914 cu. yards (6.666667 cu. ft ) of concrete is needed.