Coverage for a ton of gravel, on average, is approximately 3/4 cubic yard. This measurement is for a specific size of gravel. Gravel sizes and their approximate coverages can be charted by the size of the gravel. An example of this would be a coverage area of 100 feet by 200 feet with a depth of 2 inches using 3/8 inch screened gravel. Simply multiply 100 feet by 200 feet and divide by the square
. feet in each ton of that size gravel, at a depth of 2 inches. Here is a sight that has a gravel calculator http://www.earthproducts.net/do_it_yourself/calculators_gravel.html.
