CM to MM Converter

Convert centimeters to millimeters and millimeters to centimeters instantly. 1 cm = 10 mm exactly.

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Formula multiply the length value by 10
Result: 1 centimeter = 10 millimeters

Common preset

cm to inches inches to cm mm to inches inches to mm meters to feet feet to meters km to miles miles to km cm to feet feet to cm inches to feet feet to inches meters to yards yards to meters mm to cm cm to mm cm to km km to cm mm to feet feet to mm meters to miles miles to meters feet to miles miles to feet yards to feet feet to yards inches to meters meters to inches inches to yards yards to inches yards to miles miles to yards

About Centimeter (cm)

Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), equal to one hundredth of a meter.

History/origin: Based on the SI meter; the prefix “centi” means one hundredth. Metric prefixes range from 10⁻¹⁸ to 10¹⁸.

Current use: Commonly used worldwide for small length measurements, including human height.

About Millimeter (mm)

Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined as 1/1000 of a meter.

History/origin: The milli- prefix means one thousandth of a meter. The definition of a meter has evolved, now based on the distance light travels in 1/299,792,458 seconds.

Current use: The millimeter is widely used for measuring small lengths, precision engineering, and everyday applications like paper thickness or rainfall.

Centimeter to Millimeter Conversion Table

Centimeter [cm]Millimeter [mm]
0.010.1
0.11
110
220
330
550
10100
20200
50500
1001000
100010000

FAQs

How to convert centimeters to millimeters?

1 cm = 10 mm
1 mm = 0.1 cm
Example: 15 cm × 10 = 150 mm

How many millimeters in 1 cm?

There are 10 millimeters in 1 centimeter.

How many centimeters in 1 mm?

There are 0.1 centimeters in 1 millimeter.

Convert Centimeter to Other Length Units