How to use the Tile Calculator
Estimate tile count from surface dimensions, tile size, pattern allowance, grout spacing, and waste. It includes Known total area, Multiple rectangular areas workflows, so choose the one that matches the values you actually know. Use it to check a practical estimate, paying close attention to the selected units and assumptions.
Step by step
- For the Tile example, select Known total area and enter total area, area unit, tile length, tile width, tile unit, and the remaining settings listed in the worked example. Keep each value in the unit displayed beside its field.
- Review the selected Tile workflow and inputs, then read tile required in the result panel.
- Change one Tile assumption at a time to compare scenarios. Use Reset to restore this tool's worked example values.
How the calculation works
Area is divided by the installed tile module (tile plus grout gap), increased for waste, and rounded up to whole tiles and boxes. Supports yard/inch/centimeter area and dimensions plus per-tile, box, or area pricing.
Worked example
To reproduce the Tile worked example, reset the calculator. Select the Known total area workflow. Use total area 120 ft²; area unit Ft²; tile length 18 in; tile width 12 in; tile unit Inches; grout gap 0.125 in; gap unit Inches; waste 10 %; tiles per box 8; cost per box $40; cost per tile $0; price basis Box; unit price 40. The result is tile required of 87 tiles. Area 120.00 ft². Review the displayed units before comparing the result.
Understanding the result
The Tile reports tile required. Use it to check a practical estimate, paying close attention to the selected units and assumptions. Check the entered units and assumptions before using the result for purchasing, construction, engineering, or safety decisions.
How to check the answer
Check the Tile result by reversing the conversion or recomputing tile required from total area, area unit, tile length. For construction, electrical, weather, or purchasing decisions, compare the result with the applicable specification or professional guidance.
Common questions
What does the Tile calculate?
Estimate tile count from surface dimensions, tile size, pattern allowance, grout spacing, and waste.
Which inputs does the Tile example use?
The worked example uses total area, area unit, tile length, tile width, tile unit, and the remaining settings listed in the worked example in the Known total area workflow. Other workflows can show different fields. Keep the chosen workflow and units with the result when comparing calculations.
Is the Tile result exact?
Check the entered units and assumptions before using the result for purchasing, construction, engineering, or safety decisions. Recheck total area, area unit, tile length and use tile required only for a decision where that level of precision is appropriate.