Concrete Mix Calculator

Calculate concrete volume, bag count, and mix ratios for any pour — slabs, footings, posts.

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Concrete Mix Calculator

Concrete Tips
  • 60 lb bag = 0.45 cubic feet; 80 lb bag = 0.60 cubic feet
  • Order 10% extra — you can't mix concrete mid-pour
  • Ready-mix is more economical above 1 yard (27 cubic feet)
  • Always use wire mesh or rebar for slabs larger than 6×6 ft
  • Don't pour in temps below 40°F or above 90°F
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About Concrete Mix Calculator

Calculate concrete volume, bag count, and mix ratios for any pour — slabs, footings, posts.

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