Centimetres to Millimetres (cm to mm)

Convert centimetres to millimetres instantly. 1 centimetre = 10 millimetres, so multiply by 10. Includes worked examples and a full cm to mm table.

How to convert centimetres to millimetres

1 centimetre = 10 millimetres and 1 millimetre = 0.1 centimetres. To convert centimetres to millimetres, multiply by 10:

mm = cm × 10

Examples

  • 5 cm × 10 = 50 mm
  • 25 cm × 10 = 250 mm
  • 100 cm × 10 = 1,000 mm

cm to mm conversion table

Centimetres (cm)Millimetres (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
12 cm120 mm
15 cm150 mm
20 cm200 mm
25 cm250 mm
30 cm300 mm
40 cm400 mm
50 cm500 mm
60 cm600 mm
70 cm700 mm
75 cm750 mm
80 cm800 mm
90 cm900 mm
100 cm1,000 mm
150 cm1,500 mm
200 cm2,000 mm
250 cm2,500 mm
500 cm5,000 mm
1,000 cm10,000 mm
5,000 cm50,000 mm
10,000 cm1,00,000 mm

What is a centimetre?

A centimetre is one hundredth of a metre (0.01 m). It is used for everyday measurements such as height, clothing sizes and paper.

What is a millimetre?

A millimetre is one thousandth of a metre (0.001 m), used for precise measurements in engineering, construction drawings and rainfall.

Related conversions

Frequently asked questions

How do I convert centimetres to millimetres?

Multiply the value in centimetres by 10. 1 centimetre = 10 millimetres.

How many centimetres are in one millimetre?

1 millimetre = 0.1 centimetres.

What is 25 cm in mm?

25 cm = 250 mm.

What is 100 cm in mm?

100 cm = 1,000 mm.