🪄 Tile Calculator 2026
Calculate the exact number of tiles needed for your floor or wall project. Includes wastage estimation and total coverage area.
📏 Room Dimensions
Length in feet
Width in feet
🔲 Tile Size
Length in inches
Width in inches
Recommended: 10% for standard rooms, 15-20% for diagonal layouts
Formula: Tiles Needed = (Room Area ÷ Tile Area) × (1 + Wastage%)
Tile Area: Length × Width ÷ 144 (sq inches to sq ft)
Total Tiles Required
0
Includes 10% wastage for cuts/breakage
Project Summary
Quick Tile Guide
12×12, 24×24, 18×18 inches
Straight layout: 5-10% | Diagonal: 15-20%
1/8" to 1/4" between tiles
Always keep 5-10 spare tiles
Pro Tips for Tile Calculation
- Always measure your room multiple times for accuracy
- Consider doorways, cabinets, and fixtures when calculating area
- Buy tiles from the same batch to avoid color variations
- Order 10-15% extra tiles for complex patterns or first-time installers
- Keep extra tiles for future repairs (tiles can be discontinued)
📐 How to Estimate Tiles?
Calculating the number of tiles is crucial to avoid running short during installation or overspending on excess material.
Formula: Total Tiles = (Room Area / Single Tile Area) × (1 + Wastage%)
Note: Always convert room dimensions and tile dimensions to the same unit (e.g., Square Feet).
📏 Step-by-Step Guide
- Measure room length and width in feet
- Calculate room area = length × width
- Calculate tile area = (tile length × tile width) ÷ 144
- Divide room area by tile area = tiles needed
- Add wastage percentage (10-15%)
📊 Example Calculation
- Room: 10 ft × 12 ft = 120 sq ft
- Tile: 24×24 inch = 4 sq ft each
- Tiles needed = 120 ÷ 4 = 30 tiles
- With 10% wastage = 33 tiles
💡 Why Add Wastage?
Tiles often break during cutting or transport. Also, cutting tiles to fit corners results in wasted pieces. A standard 10% wastage is recommended for regular rooms, and up to 15-20% for rooms with diagonal layouts or complex patterns.
❓ Frequently Asked Questions
How do I convert inches to square feet?
To convert tile size from inches to sq ft: Multiply Length(in) × Width(in) and divide by 144. For example, 24×24 inch tile = (24×24) ÷ 144 = 4 sq ft.
How many tiles do I need for 100 sq ft?
It depends on tile size. For 12×12 inch tiles (1 sq ft), you need 100 tiles + wastage. For 24×24 inch tiles (4 sq ft), you need 25 tiles + wastage. Use our calculator for exact numbers.
Should I order extra tiles?
Yes! Always order 10-15% extra tiles for wastage, cuts, and future repairs. Tiles from the same batch ensure color consistency. Once discontinued, finding matching tiles becomes difficult.
What's the difference between floor and wall tiles?
Floor tiles are thicker (8-12mm), more durable, and have higher slip resistance. Wall tiles are thinner (6-8mm) and lighter. Always check tile specifications for the intended application.
⚠️ Disclaimer: This calculator provides estimates for planning purposes. Actual tile requirements may vary based on layout pattern, cuts, and installation method. Always consult a professional installer.