Concrete Garage Floor Calculator
Planning a garage floor? Calculate exactly how much concrete you need with our free tool. Get instant estimates for your garage slab.
Feet, inches, yards
Dimensions
ft
ft
in
Add 10% extra for waste, spills, and uneven surfaces
Pro Tips
- →Garage floors should be 6 inches thick for vehicle weight
- →Include rebar reinforcement in a grid pattern
- →Slope floor slightly toward door for drainage (1-2%)
- →Add a vapor barrier under the slab
- →Consider a higher PSI mix (4,000-5,000) for durability
Technical ResultActive
11.73YD³
Includes 10% waste factor
Bags (80lb)528
Total Volume316.8FT³
Estimated Weight47,520LBS
Cubic Meters8.97M³
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 Delivery$1,525 - $2,447
11.73 cubic yards + delivery
Professional Installation$1,728 - $4,608
576 sq ft × $5.50/sq ft
Prices vary by location and time. Contact local suppliers for accurate quotes.