Convert mm to cm
Millimeters to centimeters. Enter a value to convert, or use the mm to cm chart further down the page.
1 millimeter equals 0.1 centimeters. Going the other way, 1 centimeter = 10 millimeters.
How to convert mm to cm
To convert millimeters to centimeters, multiply the millimeter value by 0.1. You can also divide by 10 to get the same answer.
cm = mm × 0.1
Worked example
Convert 15 mm to centimeters:
15 mm = 1.5 cm
mm to cm conversion chart
Use this mm to cm table for quick reference without typing anything.
| millimeters (mm) | centimeters (cm) |
|---|---|
| 0.01 mm | 0.001 cm |
| 0.1 mm | 0.01 cm |
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 20 mm | 2 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| 1,000 mm | 100 cm |
What is a millimeter?
The millimeter is a metric unit equal to one thousandth of a meter. It is the smallest unit marked on a standard metric ruler and is the working unit of engineering drawings, machining tolerances and rainfall measurement.
What is a centimeter?
The centimeter is one hundredth of a meter. It is the unit most people reach for when measuring body height, clothing, paper and everyday objects in metric countries.
Frequently asked questions
How many cm are in a millimeter?
1 mm equals 0.1 cm. Going the other way, 1 cm is 10 mm.
How do you convert mm to cm?
To convert millimeters to centimeters, multiply the millimeter value by 0.1. You can also divide by 10 to get the same answer.
What is 10 mm in cm?
10 mm equals 1 cm. The conversion chart on this page lists the other values people look up most often.
Related length conversions
Convert mm to other units
- cm to mm
- mm to meters
- mm to km
- mm to inches
- mm to feet
- mm to yards
- mm to miles
- mm to micrometers
- mm to nanometers
Convert other units to cm
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