Helen Johnson answered Gene Crawford's question 8/23/2012 My bathroom is 8 x 10, so how many 12 x 12 tiles do I need? Bath area: 8ft X 10ft = 80ft2 Tile Area: 12in X 12in i.e. 1ft X 1ft = 1ft2 So 80 / 1 = 80 You will need 80 exact tiles for your bath. Have 5-6 extra for damage or mistakes.
