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Convert mm to cm, cm to mm

Convert mm to cm

mm
cm

Convert cm to mm

cm
mm

How to convert mm to cm : Use the conversion calculator titled "Convert mm to cm". Enter a value in the mm field and click on the "Calculate cm" button. Your answer will appear in the cm field.

How to convert cm to mm : Use the conversion calculator titled "Convert cm to mm". Enter a value in the cm field and click on the "Calculate mm" button. Your answer will appear in the mm field.

Conversion Formulas

Let's take a closer look at the conversion formulas 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 x 0.1

The formula to convert from cm to mm is:

mm = cm x 10

Conversion Examples

Next, let's look at some examples showing the work and calculations that are involved in converting between milimeters (mm) and centimeters (cm).

Millimeter to Centimeter Conversion Example

Task: Convert 120 millimeters to centimeters (show work)

Formula:
mm x 0.1 = cm

Calculations:
120 mm x 0.1 = 12 cm

Result:
120 mm is equal to 12 cm

Centimeter to Millimeter Conversion Example

Task: Convert 35 centimeters to millimeters (show work)

Formula:
cm x 10 = mm

Calculations:
35 cm x 10 = 350 mm

Result:
35 cm is equal to 350 mm

Conversion Tables

For quick reference purposes, below are conversion tables that you can use to convert from mm to cm, and cm to mm.

Millimeters to Centimeters Conversion Chart

millimeters (mm) centimeters (cm)
1 mm0.1 cm
2 mm0.2 cm
3 mm0.3 cm
4 mm0.4 cm
5 mm0.5 cm
6 mm0.6 cm
7 mm0.7 cm
8 mm0.8 cm
9 mm0.9 cm
10 mm1 cm
20 mm2 cm
30 mm3 cm
40 mm4 cm
50 mm5 cm
75 mm7.5 cm
100 mm10 cm
250 mm25 cm
500 mm50 cm
750 mm75 cm
1,000 mm100 cm

Centimeters to Millimeters Conversion Chart

centimeters (cm) millimeters (mm)
1 cm10 mm
2 cm20 mm
3 cm30 mm
4 cm40 mm
5 cm50 mm
6 cm60 mm
7 cm70 mm
8 cm80 mm
9 cm90 mm
10 cm100 mm
20 cm200 mm
30 cm300 mm
40 cm400 mm
50 cm500 mm
75 cm750 mm
100 cm1,000 mm
250 cm2,500 mm
500 cm5,000 mm
750 cm7,500 mm
1,000 cm10,000 mm

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 in the Metric System. The symbol for millimeter is mm. There are 1,000 millimeters in a meter. The International spelling is millimetre.

What is a centimeter (cm)?

A centimeter is a unit of length in the Metric System. The symbol for centimeter is cm. There are 100 centimeters in a meter. The International spelling is centimetre.

How many millimeters in a centimeter?

There are 10 millimeters in a centimeter.

How many centimeters in a millimeter?

There are 0.1 centimeters in a millimeter.

Understanding the Length Units

This table provides a summary of the Length units within their respective measurement systems.

Unit Symbol Measurement System Description
inches in or " US Customary Units/Imperial System  
feet ft or ' US Customary Units/Imperial System 1 foot = 12 inches
yards yd US Customary Units/Imperial System 1 yard = 3 feet
miles mi US Customary Units/Imperial System 1 mile = 1760 yards or 5280 feet
millimeter mm Metric System 1000 mm = 1 m
centimeter cm Metric System 100 cm = 1 m, 1 cm = 10 mm
decimeter dm Metric System 10 dm = 1 m, 1 dm = 10 cm
meter m Metric System 1 m = 1000 mm, 100 cm, 10 dm
kilometer km Metric System 1 km = 1000 m