18 what cms or inches?? Probably inches so, Inches: 115.555556 tiles so about 116 tiles needed
http://www.manuelsweb.com/in_cm.htm
1.48 inches.
60.2 inches
11.02 inches.
91.7 (91.7323) inches.
172.72 centimeters.
70.5 (70.4724) inches.
49.61 inches / 4 feet 1½ inches
How many pounds in a Kg
8 inches.
5.51 ins