Concrete Wall Calculator
Estimate cast-in-place concrete wall volume, opening deductions, bags, form-contact area, placed weight and ready-mix cost.
Default project preview
3.78 yd³
Concrete bags
170
Net wall face
139 ft²
Two-face form area
278 ft²
Base volume
3.43 yd³
Calculator
Build the material order
Your order will appear here
Enter the project details and calculate a rounded material estimate.
Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Net face area = length × height − openings. Concrete volume = net face area × thickness × quantity. Allowance is added before converting to ready-mix volume or bags.
BuildMeter Guides
Understand the measurements and assumptions
Use these visible reference guides before changing project inputs or planning allowances.
FAQ
Concrete Wall Calculator questions
Should door and window openings be subtracted?+
Yes, subtract true through-openings for a closer concrete estimate. Embedded bucks and irregular edges may add waste.
Does form-contact area include wall ends?+
The displayed form area covers the two main faces. Ends, bulkheads, openings and construction joints need separate measurement.
Can this size a structural concrete wall?+
No. Structural capacity depends on loads, soil, reinforcement, foundations and applicable code.