How this calculator works
Concrete volume equals length x width x thickness. Convert inches to feet, then cubic feet to cubic yards by dividing by 27.
Concrete Calculator
Convert slab dimensions into cubic yards, bag count, and a material cost estimate.
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Measuring tips
- Measure twice and record dimensions in feet.
- Add waste for cuts, uneven areas, mistakes, and future repairs.
- Check product packaging for exact coverage and unit size before buying.
FAQ
Is this a final quote?
No. It is a planning estimate. Local pricing, product sizes, and jobsite conditions can change the final purchase amount.
Why include waste?
Most projects need extra material for cuts, overlap, damage, and future touch-ups.
Can I print the result?
Yes. Use the print button to save the estimate or bring it to the store.