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Mm to cm Converter (Millimeters to Centimeters)

1 millimeter = 0.1 centimeters. To convert mm to cm, multiply by 0.1, or divide by 10.

⇄

100 mm = 10 cm

1 mm
0.1 cm
1 cm
10 mm
10 mm
1 cm
100 mm
10 cm

How to convert mm to cm

1 millimeter equals 0.1 centimeters, so the conversion is a single multiplication.

cm = mm × 0.1

Example: 150 mm × 0.1 = 15 cm.

About the millimeter and the centimeter

Millimeter (mm)

A millimeter is one thousandth of a meter, the unit used on rulers, tools and technical drawings.

Centimeter (cm)

A centimeter is one hundredth of a meter. It's the usual unit for height, clothing sizes and screen measurements in metric countries.

1 millimeter in every length unit

Centimeters0.1 cmInches0.03937 in
Meters0.001 m
Feet0.003281 ft
Kilometers0.000001 km
Miles6.214e-7 mi
Yards0.001094 yd
Nautical Miles5.4e-7 nmi
Micrometers1,000 µm
Nanometers1,000,000 nm
Mils39.37 mil
Hands0.009843 hh
Fathoms0.0005468 ftm
Rods0.0001988 rd
Chains0.00004971 ch
Furlongs0.000004971 fur
Astronomical Units6.685e-15 au
Light-Years1.057e-19 ly

Calculators

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mm to cm FAQ

How many centimeters are in a millimeter?

1 millimeter = 0.1 centimeters.

How many millimeters are in a centimeter?

1 centimeter = 10 millimeters.

How do I convert mm to cm?

Use cm = mm × 0.1. For example, 10 mm = 1 cm.

Can I print this mm to cm chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.