150 ft long 3 ft wide 2 " deep need to know how many cubic yards thanks

150 x 3 x 2/12 = 75 cubic feet.

27 cubic feet per cubic yard.

75/27 = 2.7... say 3 cubic yards

WallyH

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Originally Posted by team33911

150 ft long 3 ft wide 2 " deep need to know how many cubic yards thanks

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Umm, I hope you are not pouring concrete just two inches thick. If so, it will not be very strong. But I do not know because you did not mention which material you were going to be using.

Probably mulch, rocks or homework.