CONCRETE PLANNING TOOL
Concrete Footing Calculator
Estimate concrete volume for continuous rectangular footings from total length, footing width and footing depth.
Use the concrete calculator →Quick answer
A continuous footing can be treated as a long rectangular prism: total length × width × depth.
Use actual project measurements and local pricing for your final estimate.
Combine footing runs
Add the lengths of footing sections that share the same width and depth, then calculate them together.
Different footing sizes
If sections have different dimensions, calculate each separately and add their cubic-foot or cubic-yard totals.
Calculate your project
Get cubic yards, cubic feet and bag quantities.
Planning estimate only. Verify dimensions, product yields, local requirements and structural specifications before ordering or pouring concrete.