Flooring Calculator
Work out how much flooring to buy, including a waste factor for cuts, and how many boxes that equals.
Result
- Flooring to buy
- Boxes to order
- Allowance included
Results are rounded for ordering. Check product labels for exact coverage.
How to use this
Use 10% waste for straight layouts, 15% for diagonal or herringbone patterns, and 5% only for large simple rooms. Keep a few spare planks for future repairs.
Check the box coverage on the product label; it varies widely between products.
Ready to price the job? Try the Hardwood Floor Installation cost calculator for installed prices with materials and labor.
Common questions
How much extra flooring should I buy?
Ten percent is typical. Diagonal or patterned layouts need 15 percent or more.
How do I measure a room for flooring?
Multiply length by width for each room, add closets and doorways, and add the waste factor.
Can I return unopened boxes?
Many retailers accept unopened boxes from the same lot within a set period; check before buying.