Concrete Footing Calculator
Estimate concrete volume, cubic yards or metres, bag quantity, excavation footprint and ready-mix cost for continuous or isolated footings.
Default project preview
2.44 yd³
Concrete bags
110
Base volume
2.22 yd³
Excavation footprint
60 ft²
Total footing length
30 ft
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.
Base volume = length × width × thickness × quantity. Order volume = base volume × allowance. Bags = round up (order volume ÷ bag yield).
FAQ
Concrete Footing Calculator questions
Should footing concrete include extra material?+
An allowance helps cover uneven excavation, spillage and measurement differences. Large pours should be confirmed with the supplier.
Can this determine footing dimensions?+
No. Footing size depends on loads, soil bearing, frost depth and code requirements.
When is ready-mix more practical than bags?+
Ready-mix is usually more practical as volume and placement speed increase, but minimum-load and delivery charges matter.