SlabCalc LogoSlabCalc Concrete Technical Division

Concrete Footing Calculator

Calculate concrete needed for footings with our free tool. Get accurate estimates for foundation supports and column bases.

Feet, inches, yards

Dimensions

ft
ft
in
Add 10% extra for waste, spills, and uneven surfaces

Pro Tips

  • Footing size depends on soil bearing capacity and load
  • Typical footings are twice the wall width
  • Depth must be below frost line in cold climates
  • Include rebar reinforcement as per code
  • Consult building codes for sizing requirements
Technical ResultDone
11.73YD³

Includes 10% waste factor

Bags (80lb)528
Total Volume316.8FT³
Estimated Weight47,520LBS
Cubic Meters8.97

Cost Estimate

Estimated material costs for your project

Recommendation: Ready-Mix Concrete

For projects over 1 cubic yard, ready-mix is typically more economical and easier to work with.

Bagged Concrete (80lb)$2,904 - $4,224

528 bags × 80lb

Ready-Mix Concrete$1,525 - $2,447

11.73 cubic yards + delivery

Professional Installation$864 - $2,304

288 sq ft × $3.00–$8.00/sq ft

Prices vary by location and time. Contact local suppliers for accurate quotes.

Frequently Asked Questions