324 sq. Ft.

To determine square footage of your 18'x18' room, multiply the length times the width.

Journeyman told you right.

18x18= 324 square feet.

Journeyman told you right.

18x18= 324 square feet.

A square foot I assume is 12inches by 12inches, so the answer is I hope is 164 tiles.IF WRONG SOMEONE please correct me.