No, millimeters (mm) and centimeters (cm) are not the same. There are 10 millimeters in 1 centimeter.
10 mm = 1 cm ⇒ 1 mm = 1/10 cm =
1 cm = 10 mm
1 mm = .1 cm
1 mm = 0.1 cm 1 cm = 10 mm
0.55 cm 1 cm = 10 mm 1 mm = 0.1 cm
2.5 cm is 25 mm. A mm is 1/10 a cm so you have to use ten times as many to keep the amount the same. As trivia, this is almost 1 inch.
10 mm = 1 cm
1 cm = 10 mm
10 mm = 1 cm
1 cm = 10 mm 1 mm = 0.1 cm
1 cm = 10 mm