Millimeters to Centimeters Converter

Millimeters to Centimeters Converter

Centimeters
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Inches
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1 cm = 10 mm · 1 inch = 25.4 mm

How to convert millimeters to centimeters

To convert millimeters to centimeters, divide by 10. There are exactly 10 millimeters in every centimeter. For example, 50 mm ÷ 10 = 5 cm. Going the other way, multiply centimeters by 10 to get millimeters.

To convert millimeters to inches, divide by 25.4. So 25.4 mm ÷ 25.4 = 1 inch exactly.

1 cm = 10 mm. 1 inch = 25.4 mm = 2.54 cm. This is one of the simplest metric conversions since it is just dividing by 10.

Millimeters to centimeters conversion table

Millimeters (mm) Centimeters (cm) Inches (in)
1 mm0.1 cm0.0394 in
5 mm0.5 cm0.197 in
10 mm1 cm0.394 in
25.4 mm2.54 cm1 in
50 mm5 cm1.969 in
100 mm10 cm3.937 in
300 mm30 cm11.811 in
1000 mm100 cm (1 m)39.370 in

Frequently asked questions

How many millimeters are in a centimeter?
There are exactly 10 millimeters in 1 centimeter. 1 cm = 10 mm = 0.393701 inches.
How many cm is 50 mm?
50 mm = 5 cm = 1.969 inches. Calculation: 50 ÷ 10 = 5 cm.
How many mm is 2.54 cm?
2.54 cm = 25.4 mm = 1 inch exactly. This is the exact conversion between inches and the metric system.
How many cm is 300 mm?
300 mm = 30 cm = 11.811 inches. A standard ruler is 300 mm = 30 cm long.
How many mm is 1 meter?
1 meter = 1000 mm = 100 cm = 39.370 inches = 3.281 feet.