Tile Calculator
Calculate number of tiles, area coverage, and cost for your flooring and wall projects
Calculate Tile Requirements
Area to Cover
Tile Size
Space between tiles for grout (0 for no gap)
Extra tiles for cuts and breakage (10-15% typical)
Tile Requirements
Formula: Tiles Needed = Area to Cover ÷ Effective Tile Area
Calculation: 0.00 sq ft ÷ 0.0000 sq ft = 0 tiles
With 10% waste: 0 × 1.10 = 0 tiles
Cost Estimation
Example Calculation
Bathroom Floor Tiling
Area: 8 ft × 6 ft bathroom floor
Tile size: 12" × 12" ceramic tiles
Grout gap: 3mm
Waste factor: 10%
Calculation
Area to cover = 8 × 6 = 48 sq ft
Tile area = 1 × 1 = 1 sq ft per tile
Effective tile area with gap ≈ 1.003 sq ft
Base tiles needed = 48 ÷ 1.003 = 48 tiles
With 10% waste = 53 tiles total
Common Tile Sizes
12" × 12"
Large format, minimal grout
1 sq ft per tile
6" × 6"
Traditional size
0.25 sq ft per tile
3" × 6" Subway
Classic subway tile
0.125 sq ft per tile
Grout Gap Guidelines
Tiling Tips
Always add 10-15% waste for cuts and breakage
Buy all tiles from the same batch for color consistency
Plan your layout to minimize cuts
Consider tile direction for best visual effect
Understanding Tile Calculations
Basic Formula
The fundamental calculation for tiling is dividing the total area to be covered by the effective area of each tile (including grout spacing). Always round up since partial tiles aren't sold.
Tiles Needed = Area to Cover ÷ Effective Tile Area
Grout Spacing Impact
Grout gaps effectively increase the area each tile covers. A 3mm gap around a 12" tile increases its effective coverage area, reducing the total number of tiles needed.
Waste Factor
- •Straight layouts: 5-10% waste
- •Diagonal layouts: 10-15% waste
- •Complex patterns: 15-20% waste
Tile Layout Planning
Proper layout planning can minimize waste and improve the final appearance. Start from the center of the room and work outward for the most balanced look.
Common Applications
Floor Tiles
Larger sizes (12"×12", 18"×18") for fewer grout lines
Wall Tiles
Medium sizes (6"×6", 4"×4") for easier installation
Backsplash
Subway tiles (3"×6") or mosaics for decorative effect
Pro Tip: Order 5-10% extra tiles beyond the calculated amount. It's better to have spares for future repairs than to try matching tiles later.