Flooring Calculator
Enter your room area and box coverage to get the flooring square footage and box count needed.
This calculator gives an estimate for planning purposes only. Verify quantities and code requirements with a qualified professional before ordering materials or performing work.
How it's calculated
Flooring needed
sq ft needed = room area × (1 + waste %)
Add a waste factor to the raw room area for cuts, pattern matching, and future repairs.
Boxes needed
boxes = ceil(sq ft needed / coverage per box)
Round up to the nearest full box — flooring is sold in fixed-coverage boxes, not by the individual plank or tile.
Boxes needed by room size (20 sq ft/box, 10% waste)
| Room size | Area | Flooring needed | Boxes |
|---|---|---|---|
| 10' x 10' | 100 sq ft | 110 sq ft | 6 boxes |
| 12' x 12' | 144 sq ft | 158.4 sq ft | 8 boxes |
| 14' x 16' | 224 sq ft | 246.4 sq ft | 13 boxes |
| 20' x 20' | 400 sq ft | 440 sq ft | 22 boxes |
Skip the manual math on your next takeoff
Struvia reads your plans and pulls quantities like this automatically — upload a plan and see it measure a real takeoff.
Flooring Calculator FAQ
How much waste factor should I use for flooring?
10% covers a straightforward rectangular room with a standard layout. Use 15% for diagonal installs, herringbone patterns, or rooms with lots of jogs and closets.
Where do I find coverage per box?
It's printed on the box or listed on the product page — usually 18–24 sq ft for laminate and engineered hardwood, varies for tile-look vinyl.
Does this work for hardwood, laminate, and vinyl plank?
Yes — the math is the same for any flooring sold by coverage-per-box. Just enter the coverage number for your specific product.