Flooring Calculator
Calculate square footage of flooring and materials needed.
You might also need
How It Works
Total = length x width x (1 + waste%/100). Add waste for cuts and unusable pieces.
Formula
Total = Area x (1 + Waste%)Quick Reference
Common calculations — results you can verify instantly.
12×15 room
180 sq ft + 10%
198 sq ft
200 sq ft, diagonal
+20% waste
240 sq ft
Boxes at 20 sq ft/box
198/20
10 boxes needed
Tips & Shortcuts
10% waste for rectangular rooms. 15% for L-shaped. 20% for diagonal.
Order from same dye lot for consistent color match.
Common Mistakes
Using exact room measurements without waste
Always add waste factor. Running out creates dye lot mismatch.
Not accounting for irregular shapes
Break into rectangles, calculate each, add 15-20% for edges.
Frequently Asked Questions
180 sq ft + 10% waste = 198 sq ft. Buy 200 sq ft.
Hardwood: 50-100+ years. LVP: 20-30 years. Laminate: 15-25 years.
Related Calculators
Roofing Calculator
Calculate roofing squares and materials needed.
Paint Calculator
Calculate how many gallons of paint needed for any room.
Home Equity Loan Calculator
Monthly payment for a fixed-rate home equity loan.
HELOC Calculator
Calculate monthly payments on a home equity line of credit.
GPA Calculator
Calculate cumulative GPA from grades and credit hours.
Grade Calculator
Calculate your final grade from assignments and weights.