10 mm berapa cmCentimeter Definition. Centimeter is considered a common unit of length used in SI. It is equivalent to 10 millimeters or 1100 th (10-2) of a meter.Years ago it was a basic unit inQuick conversion chart of mm to cm. 1 mm to cm = 0.1 cm. 10 mm to cm = 1 cm. 20 mm to cm = 2 cm. 30 mm to cm = 3 cm. 40 mm to cm = 4 cm. 50 mm to cm = 5