How many extra tiles should I buy?
15% is standard for rectangular floors. Complex layouts or large format tile may need 18–20%.
How Many Tiles Do I Need?
Enter room dimensions and sq ft per box from your tile carton. Default waste is 15% for cuts and breakage.
Rooms
ft
in
ft
in
Project settings
Default 15%
$
Frequently asked questions
How do I find sq ft per tile box?
Check the box label. Multiply tile size × pieces per box ÷ 144, or use the printed coverage area.
Does this work for backsplash tile?
Yes. Enter backsplash length and height as your room dimensions for wall tile projects.
Flooring Box Calculator · https://flooringboxcalculator.com