The calculator works out the number of 50cm x 50cm tiles required.
Add 15% for 18" x 18" tiles and deduct 30% for 60cm x 60cm tiles.
Measure the length and width of your room accurately.
If it’s an odd shape, split it into sections like this:
Enter each section’s length and width separately into the tile calculator to work out the number of tiles needed for each part, then add the totals together.
The tile calculator allows for 10% extra tiles for waste, cuts and spares