Step 1.) To calculate the amount of rock needed, enter the width, length and depth of the area in the form below and press calculate. This calculation is approximate and you will want to round up to the nearest ton when ordering. When you have your total tons required you can get the price per ton in Step 2. (SEE PRICING CHART BELOW) For Information on costs per yard - see below! Gravel Coverage Calculator Area Length (In Feet): Area Width (In Feet): Area Depth (in Inches): Gravel Size: Choose 3/8" 3/4" 1" 1 1/2" 2" 1"-3" 3"-5" 5"-8" Tons Required: Calculate      Step 2.) We offer discounts on orders greater than 200 tons. Call Rick for pricing! Products Price Per Ton No 57 Gravel $12.00 1 1/2" - 3" Gravel $11.00 3" - 6" Rock $10.50 Crushed Asphalt $8.00 Sand $4.75 Topsoil $12.00 MED - LARGE Boulders $35.00-45.00 What if I only know how many yards?? 1 yard = Approx. 1.5 tons Remember Yards reference an area, Tons reference a weight. If you know the yards needed, use the helpful calculation below. Costs per yard Calculation: Yards x 1.5 x price per ton