Formula and Assumptions
Boxes = room area x waste factor / box coverage.
Actual conditions, local rates, product labels, and contractor recommendations can change the final quantity or cost.
Example Calculation
180 sq ft with 10% waste and 20 sq ft boxes needs 10 boxes.
Tips
- Check underlayment requirements.
- Leave expansion gaps.
- Inspect boxes for matching lot numbers.
FAQ
Does laminate need waste?
Yes, cuts and mistakes require extra material.
Can I install over old flooring?
Follow the manufacturer instructions for your product.
Does this include stairs?
No. Estimate stairs separately.
Should I round up?
Yes, always round up to full boxes.