I know the size of the area I want to tile. Calculate the number of tiles I need to order:
You need units. We recommend that you order units (10% extra) to cover cuts and future repairs.
The reason I didn’t give 5 stars is that the rocker plate cracked before we even got the screw in it. The screw hole is too close to the opening. I thought it would be more trouble to return than it was worth.