Size the job. Order the right amount.

What SizeTheJob covers

SizeTheJob estimates the construction and landscaping materials you buy by volume and weight — so you can order the right amount before you spend.

• Gravel & stone — gravel, crushed stone, aggregate, and sand in cubic yards, tons, and bags.
• Soil & mulch — topsoil, fill dirt, and mulch for lawns, beds, and grading.
• Concrete — slabs, footings, walls, round columns, and stairs — in cubic yards for ready-mix plus 40, 60, and 80-lb bag counts (see the concrete hub).
• Decking — board counts, linear feet, joists, and screws by stock length.
• Pavers & block — pavers with base gravel and bedding sand, and concrete block walls with mortar and grout.
• Retaining walls — segmental block walls with caps and drainage gravel.

Every calculator shows the formula and the density or constants it uses, adds a recommended overage, and links the reference guides that explain the how and why.