Question: is mm or cm smaller?
Answer: 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.