Flooring by room size
| Room | Area | With 10% extra | Boxes (20 sq ft) | Cost at $3.50/sq ft |
|---|---|---|---|---|
| 10 × 10 ft | 100 sq ft | 110 sq ft | 6 | $420 |
| 12 × 12 ft | 144 sq ft | 158.4 sq ft | 8 | $560 |
| 12 × 14 ft | 168 sq ft | 184.8 sq ft | 10 | $700 |
| 15 × 20 ft | 300 sq ft | 330 sq ft | 17 | $1,190 |
Cost is for the square feet in the boxes you buy, since you can't buy part of a box. Use 15% extra instead of 10% for diagonal or herringbone layouts.
Frequently asked questions
How many square feet is a 12x12 room?
144 square feet: 12 feet times 12 feet.
How many boxes of laminate for a 12x12 room?
About 8 boxes if each covers 20 square feet, including 10% extra. Divide 158.4 by your box coverage and round up.
Last reviewed: 2026-10-31