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| Math Central | Quandaries & Queries |
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Question from Robbi, a parent: I have a garden area that is 19 feet by 11 feet and I would like it to be 2 feet deep. I need to know how much soil to get in feet and yards. Could you please give me the formulas to figure this out. Thanks Robbi |
Robbi,
The formula you need to use in order to find cubic feet is to multiply the three values together;
19*11*2=418 cubic feet.
In order to convert that to cubic yards 1 cubic yard = 3 
3 3 = 27 cubic feet, so
418 cubic feet = 418/27 = 15.5 cubic yards.
Hope this helps.
Melanie
Or you could use our volume calculator.
Penny
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