mm to cm converter
1 millimeter equals 0.1 centimeters. Conversions use cm = mm × 0.1
mm → 0.1 cm
cm = mm × 0.1
Converter
Worked examples
- 1 mm = 0.1 cm
- 2 mm = 0.2 cm
- 5 mm = 0.5 cm
- 10 mm = 1 cm
- 100 mm = 10 cm
millimeters to centimeters conversion table
| mm | cm | Arithmetic |
|---|---|---|
| 1 mm | 0.1 cm | × 0.1 |
| 2 mm | 0.2 cm | × 0.1 |
| 3 mm | 0.3 cm | × 0.1 |
| 4 mm | 0.4 cm | × 0.1 |
| 5 mm | 0.5 cm | × 0.1 |
| 6 mm | 0.6 cm | × 0.1 |
| 8 mm | 0.8 cm | × 0.1 |
| 10 mm | 1 cm | × 0.1 |
| 12 mm | 1.2 cm | × 0.1 |
| 15 mm | 1.5 cm | × 0.1 |
| 20 mm | 2 cm | × 0.1 |
| 25 mm | 2.5 cm | × 0.1 |
| 30 mm | 3 cm | × 0.1 |
| 40 mm | 4 cm | × 0.1 |
| 50 mm | 5 cm | × 0.1 |
| 60 mm | 6 cm | × 0.1 |
| 70 mm | 7 cm | × 0.1 |
| 80 mm | 8 cm | × 0.1 |
| 90 mm | 9 cm | × 0.1 |
| 100 mm | 10 cm | × 0.1 |
How to convert mm to cm
- Take your value in millimeters.
- Multiply by 0.1
- That is your answer in centimeters — no rounding needed until you choose a display precision.
Related conversions
cm to mmmm to mmm to kmmm to inmm to ftmm to ydmm to mimm to nmicm to mall length units
Questions
How many centimeters in 1 millimeter?
Exactly 0.1 cm. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert mm to cm?
Multiply the millimeters figure by 0.1 — or use the converter above, which updates as you type.
Is mm to cm the same as cm to mm?
No — they are inverses. One mm is 0.1 cm, while one cm is 10 mm.
What is 1 mm in cm?
1 mm = 0.1 cm (see the value page for the full arithmetic).