Concrete calculators
Concrete Estimating Tools
Use these free tools to estimate concrete volume, bag count, ready-mix material, finish premiums, removal, and installed cost before you request contractor quotes.
Estimate slab cubic yards, ready-mix cost, finish cost, labor, and total installed price for patios, sheds, garage pads, and flatwork.
Open calculatorConcrete Driveway Cost CalculatorEstimate concrete driveway cost by length, width, thickness, finish, tear-out, cubic yards, and installed cost per square foot.
Open calculatorConcrete Footing Cost CalculatorEstimate concrete volume, ready-mix cost, rebar allowance, and total footing material cost for deck posts, walls, and small foundations.
Open calculatorConcrete Bag CalculatorEstimate how many 40 lb, 60 lb, or 80 lb bags of concrete you need, including waste, bag cost, and equivalent cubic yards.
Open calculatorConcrete Stairs CalculatorEstimate the concrete volume needed for solid poured concrete stairs and steps.
Open calculatorConcrete Retaining Wall CalculatorEstimate the concrete volume and ready-mix cost for a poured retaining wall.
Open calculatorConcrete Sonotube CalculatorEstimate concrete bags or yards for round column footings like Sonotubes.
Open calculatorCMU Block Wall CalculatorEstimate the number of concrete blocks and core fill grout needed for a CMU block wall.
Open calculatorHow to choose the right calculator
Start with the project you are pricing. Use the slab calculator for patios, sheds, and garage pads; the driveway calculator when tear-out and thickness matter; the footing calculator for deck posts and small foundations; and the bag calculator for small DIY pours where bagged concrete beats a ready-mix delivery.
Every tool runs in your browser, adds a 10% waste allowance, and gives you cubic yards plus a material cost range. For typical price benchmarks before you start, pair any calculator with the matching concrete cost guide.