Unitvale

cm to mm converter

1 centimeter equals 10 millimeters. Conversions use mm = cm × 10

cm → 10 mm
mm = cm × 10

Converter

Worked examples

centimeters to millimeters conversion table

cmmmArithmetic
1 cm10 mm× 10
2 cm20 mm× 10
3 cm30 mm× 10
4 cm40 mm× 10
5 cm50 mm× 10
6 cm60 mm× 10
8 cm80 mm× 10
10 cm100 mm× 10
12 cm120 mm× 10
15 cm150 mm× 10
20 cm200 mm× 10
25 cm250 mm× 10
30 cm300 mm× 10
40 cm400 mm× 10
50 cm500 mm× 10
60 cm600 mm× 10
70 cm700 mm× 10
80 cm800 mm× 10
90 cm900 mm× 10
100 cm1,000 mm× 10

How to convert cm to mm

  1. Take your value in centimeters.
  2. Multiply by 10
  3. That is your answer in millimeters — no rounding needed until you choose a display precision.

Related conversions

mm to cmmm to mmm to kmmm to inmm to ftmm to ydmm to mimm to nmicm to mall length units

Questions

How many millimeters in 1 centimeter?
Exactly 10 mm. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert cm to mm?
Multiply the centimeters figure by 10 — or use the converter above, which updates as you type.
Is cm to mm the same as mm to cm?
No — they are inverses. One cm is 10 mm, while one mm is 0.1 cm.
What is 1 cm in mm?
1 cm = 10 mm (see the value page for the full arithmetic).