Unitvale

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

millimeters to centimeters conversion table

mmcmArithmetic
1 mm0.1 cm× 0.1
2 mm0.2 cm× 0.1
3 mm0.3 cm× 0.1
4 mm0.4 cm× 0.1
5 mm0.5 cm× 0.1
6 mm0.6 cm× 0.1
8 mm0.8 cm× 0.1
10 mm1 cm× 0.1
12 mm1.2 cm× 0.1
15 mm1.5 cm× 0.1
20 mm2 cm× 0.1
25 mm2.5 cm× 0.1
30 mm3 cm× 0.1
40 mm4 cm× 0.1
50 mm5 cm× 0.1
60 mm6 cm× 0.1
70 mm7 cm× 0.1
80 mm8 cm× 0.1
90 mm9 cm× 0.1
100 mm10 cm× 0.1

How to convert mm to cm

  1. Take your value in millimeters.
  2. Multiply by 0.1
  3. That is your answer in centimeters — no rounding needed until you choose a display precision.

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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).