Calculate tile quantity and material cost using your room dimensions, tile sizes, and cutting allowance. Updated instantly as you change the numbers.
For a rectangular area, multiply length by width, subtract any excluded area, then add an allowance for cutting. Divide by the area of one tile and round up. Finally, round tile count up to whole boxes.
Learn about the underlying method: Lowe’s tile flooring calculator ↗
Note: This tool estimates quantities, not structural requirements, installation safety, code compliance, or product suitability.
A 10% cutting allowance is a common starting point for simple rectangular installs. Complex patterns, irregular rooms, and diagonal installations can require more. Always confirm your actual layout.
Retail tile is often sold in cartons. Full-box rounding may leave extra pieces even after the waste allowance is included.
No. The material estimate includes only the tile boxes and prices you enter. Mortar, underlayment, labor, taxes, and delivery are excluded.