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Millimeters to Centimeters Converter (mm to cm)

1 mm = 0.1 cm. Type any value to convert millimeters to centimeters.

1 mm = 0.1 cm

Formula: cm = mm × 0.1

Common values
Decimals
In every unit 22 units
Nanometer (nm) 1,000,000 nm
Micrometer (µm) 1,000 µm
Millimeter (mm) 1 mm
Centimeter (cm) 0.1 cm
Decimeter (dm) 0.01 dm
Meter (m) 0.001 m
Kilometer (km) 0.000001 km
Inch (in) 0.03937007874 in
Foot (ft) 0.003280839895 ft
Yard (yd) 0.001093613298 yd
Mile (mi) 6.213711922 × 10⁻⁷ mi
Nautical mile (nmi) 5.399568035 × 10⁻⁷ nmi
Mil (thou) (mil) 39.37007874 mil
Hand (hh) 0.009842519685 hh
Fathom (ftm) 0.0005468066492 ftm
Chain (ch) 0.00004970969538 ch
Furlong (fur) 0.000004970969538 fur
League (lea) 2.071237307 × 10⁻⁷ lea
Ångström (Å) 10,000,000 Å
Astronomical unit (au) 6.684587122 × 10⁻¹⁵ au
Light-year (ly) 1.057000834 × 10⁻¹⁹ ly
Parsec (pc) 3.240779289 × 10⁻²⁰ pc

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Millimeters to centimeters table

Formula: cm = mm × 0.1

Millimeter (mm)Centimeter (cm)
0.1 mm0.01 cm
0.25 mm0.025 cm
0.5 mm0.05 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
12 mm1.2 cm
15 mm1.5 cm
20 mm2 cm
25 mm2.5 cm
30 mm3 cm
40 mm4 cm
50 mm5 cm
60 mm6 cm
75 mm7.5 cm
100 mm10 cm
150 mm15 cm
200 mm20 cm
250 mm25 cm
500 mm50 cm
1,000 mm100 cm

How to use: Millimeters to Centimeters

  1. 1 Type the value in millimeters.
  2. 2 The result in centimeters appears at once – or type in the centimeters field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of length.

About this tool

Millimeter (mm) is a unit of length (SI); 1 mm = 0.001 m. Centimeter (cm) is a unit of length (SI); 1 cm = 0.01 m.

To convert millimeters to centimeters, multiply the value by 0.1 (cm = mm × 0.1). Example: 10 mm = 1 cm.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert millimeters to centimeters?

To convert millimeters to centimeters, multiply the value by 0.1: cm = mm × 0.1. For example 10 mm = 1 cm.

What is 1 mm in centimeters?

1 mm = 0.1 cm. The other way round, 1 cm = 10 mm.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of length here?

Yes – choose any of the 22 units of length in the From and To lists, or switch to another measurement at the top.

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