Flooring calculator

Enter room area and box coverage to get the exact number of boxes to buy. Includes configurable waste factor and printable shopping list.

Room area (sq ft)

Box coverage (sq ft/box)

Waste factor (%)

Number of rooms

Material Totals

Total area (with waste)221 sq ft

Boxes needed12 boxes

10% waste is standard for straight layouts. Add 15% for diagonal or herringbone patterns.

Printable Shopping List

Area200 sq ft

Flooring boxes12 boxes

Underlayment210 sq ft

Generated by BuildTotals.com | buildtotals.com/tools/flooring-calculator

Waste factor by pattern

Straight layout (parallel to walls): 10% waste. Diagonal layout (45 degrees): 15% waste. Herringbone or chevron pattern: 15-20% waste. The calculator defaults to 10% - adjust for your pattern.