TILE SIZE

If 

The Tile Size is 20cm x 20cm = Select Size 8" x 8"

Tile Size 30cm x 30cm = Select Size 12" x 12"

Tile Size 33cm x 33cm = Select Size 13" x 13"

If the tile size is in centimeters, Pls leave a note of measurements which checking out to make them in perfect measurements.