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| Math Central | Quandaries & Queries |
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Question from jesse, a parent: 1 cubic yard of dirt = how many tons give the formula |
Jesse,
According to this document at the US NIST, the average density of dirt is 120 lbs per cubic foot. Only you and your dirt supplier know whether this is correct for the kind of dirt you are planning to use.
One cubic yard is 3 × 3 × 3 = 27 cubic feet so if 1 cubic foot weighs 120 pounds then 1 cubic yard weighs 120 × 27 = 3,240 pounds or 3,240/2,000 = 1.62 tons.
Harley
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