Moreinformation from the unit converter. How many cm in 1 mm? The answer is 0.1. We assume you are converting between centimetre and millimetre.You can view more details on each measurement unit: cm or mm The SI base unit for length is the metre. 1 metre is equal to 100 cm, or 1000 mm. Note that rounding errors may occur, so always check the
Onecentimeter is equivalent to 0.39370 inches. The millimeter (mm) is a unit of length in the metric system, equivalent to one-thousandth of a meter and is the SI base unit of length. Thus, 1 cm is equal to 10 mm. Hence, to convert the value from cm to mm, multiply the value by 10. Solved Examples. Question 1: Express 25 cm in mm. Solution: As Usageof fractions is recommended when more precision is needed. If we want to calculate how many Millimeters are 0.1 Centimeters we have to multiply 0.1 by 10 and divide the product by 1. So for 0.1 we have: (0.1 × 10) ÷ 1 = 1 ÷ 1