Concrete slab calculator
Cubic feet, cubic yards, and bag counts for slabs, footings, and pours.
Calculate concreteEstimate materials for concrete slabs, masonry walls, and hardscape projects. Choose a calculator below.
Cubic feet, cubic yards, and bag counts for slabs, footings, and pours.
Calculate concreteStart by determining the scope of your project and checking local building codes. Many concrete and masonry projects require permits, especially structural work like retaining walls, foundations, and load-bearing walls. Order materials based on your calculations and add 10-15% waste for cutting, spillage, and mixing losses. Consider delivery timing — concrete should be placed within 1-2 hours of mixing, and mortar within 2-2.5 hours.
Weather matters for concrete and masonry work. Ideal temperatures are 50-70°F. Hot weather causes concrete to set too fast and increases cracking risk. Cold weather slows curing and can freeze wet mortar. Plan your pour or lay day around the forecast, and have curing blankets or shade structures ready if conditions are marginal.
Concrete is the backbone of modern construction, used for slabs, footings, foundations, driveways, and walkways. Masonry work includes brick walls, paver patios, block retaining walls, and stone veneer. Whether you are pouring a small concrete slab for a shed or building a large retaining wall, our calculators handle the material estimates so you can plan your project with confidence.