All calculators

18 free material calculators. Same tool, same measured drawing — each one has the correct density and bag sizes for its material already set.

Every calculator uses the same measured-drawing tool with the right density and bag sizes built in. Pick the one that matches your material.

Aggregates & stone

Gravel Calculator Work out how many cubic yards or tons of gravel a driveway, path or drainage bed needs. Pea Gravel Calculator Cubic yards, tons or bags of pea gravel for patios, paths, play areas and planted borders. Crushed Stone Calculator Cubic yards and tons of #57, 3/4 minus and other crushed stone for base, drainage and driveways. River Rock Calculator Cubic yards, tons or bags of river rock for dry creek beds, borders and low-water landscaping. Decomposed Granite Calculator Cubic yards and tons of decomposed granite for paths, patios and driveways. Road Base Calculator Cubic yards and tons of road base, Class 5 or crusher run for driveways and paver sub-bases. Crushed Concrete Calculator Cubic yards and tons of recycled crushed concrete for driveways, base and fill.

Concrete

Concrete Calculator Cubic yards of ready-mix, or the number of 40, 60 and 80 lb bags, for slabs, footings and posts. Concrete Slab Calculator Cubic yards and bag counts for a floor, patio, shed pad or garage slab at any thickness. Sonotube Concrete Calculator Concrete for round column forms — deck footings, porch posts, mailbox and sign bases. Post Hole Concrete Calculator Concrete for fence posts, mailbox posts and deck posts — by hole size, depth and post width.

Sand

Sand Calculator Cubic yards, tons or bags of sand for paver bedding, pool bases, sandboxes and fill. Paver Sand Calculator Bedding sand and polymeric joint sand for a paver patio, walkway or driveway.

Soil & garden

Topsoil Calculator Cubic yards, tons or bags of topsoil for new lawns, raised beds and levelling low spots. Fill Dirt Calculator Cubic yards and tons of fill dirt for raising grade, backfilling and building up low areas. Compost Calculator Cubic yards or bags of compost for top-dressing lawns, amending beds and filling raised beds.

Mulch

Mulch Calculator Find the cubic yards or number of bags of mulch your beds need at 2, 3 or 4 inches deep. Rubber Mulch Calculator Cubic feet, bags or pallets of rubber mulch for playgrounds, play sets and landscape beds.

Not sure which one you need? Start from the material calculator homepage and switch material there, or read how we calculate.