What is 11 Inches to CM? 11 Inchs is equal to 27.94 Centimeter The Inchs to Centimeter formula is Inchs * 2.54 = Centimeter For Example convert 11 Inchs to cm = 27.94 cm Inchs Centimeter 11.0 27.94 11.1 28.194 11.2 28.448 11.3 28.702 11.4 28.956 11.5