Tile Calculator
Calculate how many tiles you need for any floor or wall area including waste factor.
Tile Calculator
Calculate how many tiles you need for any floor or wall area including waste factor.
Engineering Calculation
ℹ️ Used for basic engineering ratio and product calculations
Disclaimer
Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.
Frequently Asked Questions
Pro Tips
Always verify critical calculations with a second method or source — for important decisions, this tool provides a starting point, not a final answer.
Input accuracy determines output accuracy. Use precise values rather than rough estimates for the most useful results.
Run the calculation multiple times with slightly different inputs to understand the sensitivity of the result to your assumptions.
For professional, financial, medical, or legal decisions, always confirm results with a qualified professional before acting.
When to Use This Calculator
Use the Tile Calculator for fast, accurate calculations without installing any software.
Understand the formula and see how changing inputs affects the result for educational purposes.
Get a quick estimate before performing more detailed analysis or consulting a professional.
Accessible from any device — no app to install, no account required, works offline after loading.
Run multiple scenarios quickly by changing one input at a time to understand sensitivities.
About the Tile Calculator
This tile calculator computes the number of tiles needed for any floor or wall installation based on the area dimensions and individual tile size, with an automatically applied waste factor for cuts and breakage (10% for straight-lay, 15% for diagonal patterns). Enter the room dimensions and tile size to see tile count, boxes needed (based on your tile's box coverage), and total material cost at any unit price. Built for homeowners, tile contractors, and interior designers planning bathroom, kitchen, and flooring projects.
How to Use the Tile Calculator
- 1
Enter the area dimensions: length and width of the floor or wall in feet (or meters).
- 2
Enter the tile size in inches (e.g. 12×12, 18×18, 6×24).
- 3
Select the lay pattern: straight, diagonal, or herringbone.
- 4
Enter the number of tiles per box (from packaging) and price per box.
- 5
See total tiles needed, boxes to purchase, and total material cost.
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