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Buy the right amount of material. The first time.

Contractor-grade calculators for epoxy, gravel, pavers and concrete — with exact bag counts for your trip to the home center.

Table tops, deep pour river tables and garage floors — get ounces, gallons and cost.

Cubic yards, tons and bag counts for mulch, pea gravel, crushed stone, river rock and topsoil.

Paver count, paver base gravel bags and polymeric sand bags for any patio or walkway.

Cubic yards of ready-mix plus exact counts of 40, 60 and 80 lb bags for slabs and post holes.

DIY guides

Plan the project before you buy.

Epoxy

Use the coverage formula, garage-size chart and preparation checklist to buy enough mixed epoxy without over-ordering.

Gravel

Measure the patio, choose a practical gravel depth and convert the result into cubic yards, tons or bags before ordering.