Concrete Foundation Calculator
Plan concrete for a full house foundation. Calculates footings, walls, and slab volumes in one integrated estimate.
Frequently Asked Questions
How much concrete for a house foundation?
A 1,500 sq ft home with 8-inch walls and footings needs approximately 35–55 cubic yards of concrete.
What size footing for a house foundation?
Standard residential footings are 16 × 8 inches, doubled under load-bearing walls.
How deep should a foundation go?
Foundations extend below the frost line — 42–48 inches in northern climates, 12–24 inches in the South.
Related Pages
Concrete Slab Calculator
Calculate concrete needed for a slab. Enter length, width, and thickness to get cubic yards, bags of pre-mix, and cost.
Concrete Cost Calculator
Estimate total concrete cost. Enter volume and local price per cubic yard to get project cost including delivery and labor.
Concrete Yard Calculator
Calculate how many cubic yards of concrete you need. Works for slabs, footings, columns, and custom shapes.
Concrete Footing Calculator
Calculate concrete needed for footings. Enter dimensions, depth, and quantity for accurate volume and bag estimate.
Concrete Column Calculator
Calculate concrete for round or square columns and posts. Enter diameter, side length, height, and quantity.
Concrete Stairs Calculator
Calculate concrete needed for stairs. Enter number of steps, riser height, tread depth, and width for exact volume.