How Many Cubic Yards In A Tonne Of 1 1/2" River Rock?


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Larry Patterson Profile
Larry Patterson answered
The best way to determine the CY is to find out from the supplier what the weight per cf is.

The only weight I could find was 153 lbs per cubic foot on a Q&A site when I searched.

Now divide 2000 (or correct ton weight in your area) by 153 lbs/cf (or the wt given by the supplier).

The answer is 13.07 cf ( 1/2 a cy) per ton or roughly 2 tons per cubic yard.

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