Tile Calculator

Estimate how many boxes of tile to buy from your measured area, allowance and the coverage printed on the box.

Use the coverage stated by the manufacturer. Enter the area and box coverage in the same unit.

Currency labels the price you enter; this calculator does not convert exchange rates.

Calculate room area →

Enter measurements to see the estimate.

How many boxes do I need?

Multiply the measured area by (1 + allowance ÷ 100), divide by the coverage per box, then round up to a whole box.

12 m² × 1.10 ÷ 1.44 m² = 9.1667 → 10

Choose an allowance for your project

Cuts, breakage and the laying pattern can change the extra material needed. The example uses 10%; it is not a universal recommendation. Check the product instructions and your installer’s requirements.

Use the coverage on the box

Nominal tile dimensions may not match the manufacturer’s stated coverage. This estimate does not create a cutting plan or include grout, adhesive, labor, delivery or tax.