On Mon, 11 Jul 2005 18:49:41 GMT, Ignoramus23776
wrote:

volume in cubic feet is the product of the lengths of sides in cubic
feet. So, if you have a rectangular lot that is 20 by 20 by 0.5 foot
(0.5 being the depth of gravel), your volume is 20*20*0.5 = 200 cubic
feet of gravel. A cubic yard is 9 cubic feet, so, in this example, you
would need 200/9 = 22.2 cubic yards of gravel.

A cubic yard is 27 cubic feet. 3*3*3 = 37

So 200/27 is 8 yards of gravel

Errol Groff