Formula.millimetres = centimetres × 10.
Relationship.1 cm = 10 mm.
Worked example. 5 cm = 50 mm.
Cm to Mm Converter.
1 cm = 10 mm, so 5 cm = 50 mm. Type any value below to convert cm to mm instantly.
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| mm | cm | m | km | in | ft | yd | mi | nmi |
|---|---|---|---|---|---|---|---|---|
| 0.05 | 0.005 | 0.00005 | 5.000000e-8 | 0.0019685039 | 0.000164042 | 0.0000546807 | 3.106856e-8 | 2.699784e-8 |
| 0.5 | 0.05 | 0.0005 | 5.000000e-7 | 0.0196850394 | 0.0016404199 | 0.0005468066 | 3.106856e-7 | 2.699784e-7 |
| 5 | 0.5 | 0.005 | 0.000005 | 0.1968503937 | 0.0164041995 | 0.0054680665 | 0.0000031069 | 0.0000026998 |
| 50 | 5 | 0.05 | 0.00005 | 1.968504 | 0.1640419948 | 0.0546806649 | 0.0000310686 | 0.0000269978 |
| 500 | 50 | 0.5 | 0.0005 | 19.685039 | 1.64042 | 0.5468066492 | 0.0003106856 | 0.0002699784 |
| 5000 | 500 | 5 | 0.005 | 196.850394 | 16.404199 | 5.468066 | 0.003106856 | 0.002699784 |
| 50000 | 5000 | 50 | 0.05 | 1968.5039 | 164.041995 | 54.680665 | 0.0310685596 | 0.0269978402 |
How to convert cm to mm
cm to mm conversion table
| cm | mm |
|---|---|
| 0.1 | 1 |
| 0.5 | 5 |
| 1 | 10 |
| 2 | 20 |
| 2.5 | 25 |
| 3 | 30 |
| 4 | 40 |
| 5 | 50 |
| 6 | 60 |
| 7 | 70 |
| 8 | 80 |
| 9 | 90 |
| 10 | 100 |
| 12 | 120 |
| 15 | 150 |
| 20 | 200 |
| 25 | 250 |
| 30 | 300 |
| 40 | 400 |
| 50 | 500 |
| 75 | 750 |
| 100 | 1000 |
| 150 | 1500 |
| 200 | 2000 |
| 500 | 5000 |
Frequently Asked Questions
How do I convert centimetres to millimetres?
Multiply centimetres by 10, because one centimetre is 10 millimetres. For example, 5 cm × 10 = 50 mm.
How many mm is 10 cm?
10 cm equals 100 mm.
What is 2.5 cm in mm?
2.5 cm is 25 mm, about one inch.
Why are there 10 mm in a centimetre?
The prefix "milli" means one thousandth of a metre and "centi" one hundredth, so a centimetre contains ten millimetres (10 × 1/1000 = 1/100).