Construction & Architecture / Materials & Design

Flooring Material Calculator

Accounts for cuts and mistakes

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Flooring Material Calculation

Formulas:

  • Room Area = Length × Width
  • Waste Area = Room Area × Waste Factor
  • Total Area Needed = Room Area + Waste Area
  • Boxes Needed = ROUNDUP(Total Area / Coverage per Box)

Waste Factor Guide:

  • 5%: Simple rectangular rooms with straight installation
  • 10%: Standard rooms (recommended for most projects)
  • 15%: Rooms with closets, angles, or diagonal patterns
  • 20%: Complex layouts with many cuts and obstacles