is mm the same as cm?
One mm is one "millimeter" or one one-thousandth of a meter (1 mm = 1/1000 m). One cm is one "centimeter" or one one-hundredth of a meter (1 cm = 1/100 m). Therefore, 1 cm = 10 mm. To convert mm to cm, divide the number of mm by 10 to get the number of cm.