MicroCalculatorsTile Calculator
Calculate how many tiles you need for a floor or wall. Total tiles needed = area ÷ tile area × (1 + wastage %). Enter area in sq ft, tile dimensions in inches, and wastage percentage (typically 10–15%).
Tile Calculator — FAQ
- How much extra tile should I buy for cuts?
- 10–15% wastage is typical. Add 15–20% for diagonal layouts or complex patterns.
- Does tile size affect wastage?
- Yes. Larger tiles often mean fewer cuts but more waste per piece. Small mosaics can have higher wastage.
- Should I buy full boxes or individual tiles?
- Buy full boxes when possible — extras are useful for repairs. Keep a few spare tiles for future replacements.
How Many Tiles Do I Need?
Total tiles needed is total area divided by tile area, then increased by a wastage percentage for cuts and breakage. Measure your floor or wall in square feet, then divide by the area of one tile (length × width in inches, converted to sq ft: ÷ 144). Multiply by (1 + wastage/100). Round up to whole tiles or the next full box.
Typical wastage is 10–15%. Use more for diagonal layouts, herringbone, or rooms with many obstructions. Check box coverage — tiles are often sold by sq ft per box.
Try our Paint Needed Calculator or Concrete Calculator for other home projects.
People Also Ask
- How many tiles do I need for my room?
- What is a good wastage percentage for tiles?
- How do I calculate tile area?
Want to learn more?
Read our full guide: How to Calculate Tiles Needed — waste factors by layout pattern, wall tile calculations, and ordering tips.
Last updated: February 2026