Concrete Mix Calculator
Calculate cement bags, sand and gravel needed for a concrete slab using standard 1:2:3 mix ratio.
How to Use This Concrete Mix Calculator
- 1Enter slab length and width in feet
- 2Enter depth in inches
- 3Click Calculate
- 4See cement bags, sand and gravel needed
Formula
Volume = L×W×D. Cement bags (60lb) = Volume/0.45. 1:2:3 ratio for cement:sand:gravel
Frequently Asked Questions
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About Concrete Mix Calculator
Plan your concrete work by calculating exact quantities of cement, sand and gravel needed. Uses the standard 1:2:3 mix ratio for general construction.