How many squares are tiles?
According to the size of the tile and the number of packages
You say is the external walls or tiles ah, tiles is a piece of five.
You use the brick side length * side length * block number = square number such as: 800 floor tiles is: 0.8 * 0.8 = 0.64 square, and then multiplied by 4 = 2.56 square meters 300 tiles is: 0.3 * 0.3 = 0.09 square, then Multiplied by 12 pieces = 1.08 square meters tiles have two boxes, three pieces of a box, four, eight, ten one box from 300 * 300 ------ 1000 * 1000 specifications of the larger The smaller the number of pieces