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Subjects>Math>Math & Arithmetic

How much concrete do you need to cover 21 sq ft and 2 inches thick?

Updated: 9/20/2023

Wiki User

∙ 13y ago

Best Answer

2 inches = 1/6 foot

1 cubic yard = 27 cubic feet

Volume = (21/6) = 3.5 cubic feet = 0.13 of a cubic yard. (rounded)

Your best bet could be to follow a concrete truck around for an hour ... they

probably clean that much off of the chute after they finish a normal-size pour.

Wiki User

∙ 13y ago

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