Calculator. Select the material, desired size, and the area you need to cover to find out how much of that material you'll need. Material Type. Select One Decomposed Granite Cobble Pebble Crushed Rock Lava Rock Flagstone Soil Mulch Construction Rock Sand Rubble.
TONNAGE CALCULATOR HOW MUCH AGGREGATE (STONE, SAND, OR GRAVEL) DO I NEED? Please use this calculator to select which product you would like to calculate the total tonnage estimated for your project. You will need the length, width, and depth of your project space to be able to get your estimated tonnage calculation.