Topsoil Calculator

Topsoil Calculator

Cubic yards, tons, and bag counts for lawn grading, leveling, garden beds, and fill projects.

When You Need Topsoil

Topsoil is the workhorse of landscaping — it fills, grades, and levels. Unlike garden soil or compost, topsoil is relatively dense and inexpensive, making it the right choice for large-volume fill work: leveling a yard before laying sod, filling low spots, building up beds, or providing a base layer under amended garden soil.

The Topsoil Calculator converts your project dimensions to cubic yards (for bulk delivery), tons (some suppliers price by weight), and bag counts (for smaller jobs). Topsoil weighs about 2,200 lb per cubic yard — roughly 1.1 tons — and a typical delivery minimum from a landscape supplier is 2–3 cubic yards.

Quality varies widely. Screened topsoil has been sifted to remove rocks, roots, and debris — it's worth the slight premium for any planting application. Unscreened fill is cheaper but can contain clay, stones, and weed seeds. For lawn preparation before sod installation, screened topsoil at a minimum depth of 4 inches gives new grass roots the best chance at establishment.

Topsoil is usually the bottom layer of a multi-layer system. For garden beds, amend the top 6 inches with compost and finish with 3 inches of mulch. For new lawns, grade with topsoil, then lay sod directly on the leveled surface. If you're building up significant height, a gravel drainage layer beneath the topsoil prevents waterlogging.