Flooring Calculator

Formula

totalArea = ⌈area × (1 + waste/100)⌉  (sq ft)boxes = ⌈totalArea / sqFtPerBox⌉

Parameters

Sq Ft per Box

Coverage per box. Typically 18–25 sq ft.

Pattern

Straight (7%), Diagonal (13%), Herringbone (18%).

Waste %

Auto-set by pattern. Covers cuts and defects.

Results

Total Area

Sq ft of flooring including waste.

Boxes

Boxes to purchase.

Example

totalArea = ⌈250 × 1.07⌉ = 268 sq ftboxes = ⌈268 / 22⌉ = 13 boxes

Common Use Cases

• Hardwood living rooms and bedrooms
• Laminate for rental properties
• Vinyl plank for kitchens and bathrooms
• Engineered flooring for basements

Notes

• Buy 1–2 extra boxes for future repairs.
• Diagonal patterns increase waste significantly.