10 mm berapa cmHow to Convert Inch to Centimeter. 1 in = 2.54 cm 1 cm = 0.3937007874 in. Example: convert 15 in to cm: 15 in = 15 × 2.54 cm = 38.1 cm. Popular Length Unit Conversions1 Sentimeter = 10 Milimeter, 10 Sentimeter = 100 Milimeter, 2500 Sentimeter = 25000 Milimeter. 2 Sentimeter = 20 Milimeter, 20 Sentimeter = 200 Milimeter