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Concrete calculators
Calculate slabs, post holes, footings, walls, columns, bag counts, waste, and an order-ready quantity.
Slab and patio plannerConcrete Slab CalculatorCalculate concrete for rectangular, round, L-shaped, and thickened-edge slabs without hiding waste or rounding.
Premixed bag estimatorConcrete Bag CalculatorSee 40, 50, 60, and 80 lb bag counts at the same time, rounded up with waste included.
Fence and deck post plannerPost Hole Concrete CalculatorCalculate concrete for fence and deck post holes, including optional post displacement.
Round form estimatorSonotube Concrete CalculatorCalculate concrete for round forms by diameter, fill depth, and tube count.
Strip footing quantityConcrete Footing CalculatorCalculate concrete volume for a strip footing using total length, width, and depth.
Wall volume estimatorConcrete Wall CalculatorCalculate a concrete wall and subtract repeated rectangular openings when needed.
Column and pier quantityConcrete Column CalculatorCalculate round or square concrete columns by size, height, and count.
Buying method comparisonReady-Mix vs. Concrete Bags CalculatorCompare the order quantity, bag workload, and your actual supplier fees in one result.
Supply cost estimateConcrete Cost CalculatorEstimate material cost from an order-ready quantity, supplier price, delivery fees, pump cost, and tax.