If its size, then yes......... Millimeters are more accurate than centimeters when you want to measure smaller things.
If you are talking size, then yes. Centimeters are bigger than millimeters.
A number measured in centimeters is smaller than the same measurement in millimeters, since 1 cm equals 10 mm. Therefore, when an object is measured in centimeters, it is represented by a smaller numerical value compared to its millimeter measurement. For example, 2 cm equals 20 mm.
;