Construction & Materials
Concrete Footing Calculator
Calculate the concrete volume and bag count needed for a continuous strip footing.
Your inputs
Change any value to update the result instantly.
Concrete needed
4.8889 yd³
Raw volume
4.44 yd³
80 lb bags required
221 bags
60 lb bags required
294 bags
Formula and working
volume = length × width × depth
- 1
Collect the inputs
Footing length = 80 ft; Footing width = 1.5 ft; Footing depth = 1 ft; Waste allowance = 10 %
- 2
Apply the formula
volume = length × width × depth
- 3
Result
Concrete needed = 4.8889 yd³
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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