Concrete Wall Calculator
Estimate concrete for foundation walls, retaining walls, or garden walls. Results include bags, yards, and rebar layout.
Frequently Asked Questions
How thick is a concrete wall?
Foundation walls are typically 8–10 inches thick. Garden and retaining walls range 4–12 inches depending on height.
How much rebar in a concrete wall?
Use #4 rebar at 16 inches on center both horizontally and vertically for most residential walls.
How deep should a retaining wall footing be?
Retaining wall footings should be at least 12 inches deep, below the frost line, and 2× the wall width.
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.