2 Inches of Mulch Calculator
Calculate how much mulch, topsoil, compost or gravel you need from area and depth — cubic yards, cubic feet, estimated weight and bags to buy.
Processed entirely in your browser — nothing you enter here is ever uploaded.
Result
About this tool
This page opens the mulch calculator with the depth already set to 2 inches — the thinner end of the typical 2-4 inch mulch layer, common for refreshing an established bed or working with a tight budget. Enter your area (directly, or as length × width) and the volume, weight estimate and bag count appear immediately.
Two inches is usually the minimum depth landscapers recommend for weed suppression and moisture retention; go much thinner and light gets through to weed seeds, go up to 3-4 inches and you get better insulation for plant roots through summer heat and winter cold. You can adjust the depth field at any time if you decide a thicker layer suits your bed better — the volume, weight and bag numbers update to match.
This is the complete mulch calculator, just preset to the 2 inch depth — switch materials to topsoil, compost or gravel whenever needed. Everything runs locally in your browser from static figures, with nothing uploaded and no account required.
Example. A 10 foot by 10 foot area at 3 inches of mulch returns 25.0 cubic feet, 0.93 cubic yards, 370 pounds, and 13 bags of 2 cubic feet.
Limit. Weight uses a single bulk density per material, 400 pounds per cubic yard for mulch, 2100 for topsoil, 1050 for compost, and 2850 for gravel.