Convert 3.5 Inches to CM UnitGo Team 8 Dec, 2024 Answer:3.5 inches is equal to 8.89 centimeters. 3.51 inches = 8.91 cm 3.52 inches = 8.94 cm 3.53 inches = 8.97 cm 3.54 inches = 8.99 cm 3.55 inches = 9.02 cm 3.56 inches = 9.04 cm 3.57 inches = 9.07 cm 3.58 inches = 9.09 cm 3.59 inches = 9.12 cm