Flooring
Flooring Calculator Calculator USA 2026
Estimate square footage and number of boxes for hardwood, laminate and luxury vinyl plank projects.
Unit system
Enter your measurements
Results
Area
300 sq ft
With 10% waste
330 sq ft
Boxes needed
14
Calculation steps
- 1.Area = 20 × 15 = 300 sq ft
- 2.With 10% waste = 300 × 1.10 = 330.0 sq ft
- 3.Boxes = ⌈330.0 ÷ 24⌉ = 14
Includes a standard waste allowance. Verify with your supplier before ordering.
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Disclaimer: Estimates based on 2026 RSMeans USA data. Actual quantities vary by site conditions, waste and installer practices. Verify with your supplier or contractor before ordering.
How it works
- 1Measure length and width of each room.
- 2Add 10% for cuts and pattern matching.
- 3Divide by the box coverage (usually 20–30 sq ft).
Formula
Boxes = ⌈ (Room Area × 1.10) ÷ Box Coverage ⌉
Worked example
300 sq ft × 1.10 = 330 sq ft ÷ 24 sq ft box = 14 boxes.
Frequently asked questions
How much waste for planks?
10% straight lay, 15% diagonal, 20% herringbone.