Concrete Footing Calculator
Works for both continuous strip footings and individual spot/pad footings — enter the footprint length, width, and depth below grade.
Dimensions
Order options
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Pouring more than one footing? Give this one a label and add it — the results panel keeps a running grand total.
FAQ
- What's the difference between a strip footing and a spot footing?
- A strip (continuous) footing runs the full length of a wall — enter its total run as Length. A spot/pad footing supports a single post — enter its footprint length and width instead.
- How deep should a footing be?
- Deep enough to sit below the local frost line and reach undisturbed soil — this varies a lot by region and project, so check local building code or an engineer's spec rather than a rule of thumb.
Exact volume
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Estimated weight0 lb / 0 kg
Recommended order (incl. waste)
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Bags needed
Estimated cost$0
Job grand total
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