Online calculator to convert millimeters to centimeters (mm to cm) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Length or Distance units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert mm to cm
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between millimeters and centimeters.
What is a millimeter (mm)?
A millimeter is a unit of Length or Distance in the Metric System. The symbol for millimeter is mm. There are 10 millimeters in a centimeter. The International spelling for this unit is millimetre.
What is a centimeter (cm)?
A centimeter is a unit of Length or Distance in the Metric System. The symbol for centimeter is cm. There are 0.1 centimeters in a millimeter. The International spelling for this unit is centimetre.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from mm to cm is:
cm = mm ÷ 10
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from millimeters to centimeters (mm to cm).
Millimeter to Centimeter Conversion Example
Task: Convert 120 millimeters to centimeters (show work) Formula: mm ÷ 10 = cm Calculations: 120 mm ÷ 10 = 12 cm Result: 120 mm is equal to 12 cm
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mm to cm.
Millimeters to Centimeters Conversion Chart
| millimeters (mm) | centimeters (cm) |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 4 mm | 0.4 cm |
| 5 mm | 0.5 cm |
| 6 mm | 0.6 cm |
| 7 mm | 0.7 cm |
| 8 mm | 0.8 cm |
| 9 mm | 0.9 cm |
| 10 mm | 1 cm |
| 20 mm | 2 cm |
| 30 mm | 3 cm |
| 40 mm | 4 cm |
| 50 mm | 5 cm |
| 75 mm | 7.5 cm |
| 100 mm | 10 cm |
| 250 mm | 25 cm |
| 500 mm | 50 cm |
| 750 mm | 75 cm |
| 1,000 mm | 100 cm |
| 2,500 mm | 250 cm |
| 5,000 mm | 500 cm |
| 7,500 mm | 750 cm |
| 10,000 mm | 1,000 cm |
| 25,000 mm | 2,500 cm |
| 50,000 mm | 5,000 cm |
| 75,000 mm | 7,500 cm |
| 100,000 mm | 10,000 cm |
| 250,000 mm | 25,000 cm |
Related Units
This table provides a summary of the Length or Distance units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| inches | in or " | US Customary Units/Imperial System |
| feet | ft or ' | US Customary Units/Imperial System |
| yards | yd | US Customary Units/Imperial System |
| miles | mi | US Customary Units/Imperial System |
| picometers | pm | Metric System |
| nanometers | nm | Metric System |
| micrometers | μm | Metric System |
| millimeters | mm | Metric System |
| centimeters | cm | Metric System |
| decimeters | dm | Metric System |
| meters | m | Metric System |
| decameters | dam or dkm | Metric System |
| hectometers | hm | Metric System |
| kilometers | km | Metric System |
| megameters | Mm | Metric System |
| gigameters | Gm | Metric System |
| nautical miles | M or NM or nmi | Non-SI (International) |
| angstroms | Å | Non-SI (International) |
| rods | rod | Non-SI (International) |
Note: For Length and Distance conversions, US Customary Units and the Imperial System are equivalent.
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