Measure
Enter the actual project dimensions and number of matching areas.
Plan with fewer surprises
Fast, practical material estimates for homeowners, builders, and landscape projects—without signup, spreadsheets, or guesswork.
CONCRETE SLAB
12 × 10 × 4 inCalculator library
Every tool explains the math and gives you an order-ready estimate in the units suppliers use.
Estimate gravel volume, cubic yards, and tons for driveways, paths, patios, and landscaping projects.
Calculate concrete cubic yards, cubic meters, and ready-mix bag quantities for slabs, footings, and pads.
Find square footage and square meters for rooms, walls, floors, lawns, and repeated rectangular areas.
Estimate cubic yards and bag quantities of mulch for garden beds, borders, and landscaping projects.
Estimate ready-mix concrete volume and material cost for a rectangular slab using a local price per cubic yard.
Estimate concrete masonry units for a wall, subtract openings, and include an allowance for cuts and breakage.
Built for real projects
Enter the actual project dimensions and number of matching areas.
Set depth, material density, local price, and an appropriate waste allowance.
Review the formula and confirm product yield with your local supplier.