1 cm = 10 mm
1 Centimeter (cm) = 10 Millimeter (mm).
If you want to reverse convert, use Millimeter → Centimeter. 1 mm = 0.1 cm. You can also explore the full Length converter page for more cross conversions.
Conversion formula
Centimeter to Millimeter formula: value in mm = value in cm × 10.
Millimeter to Centimeter formula: value in cm = value in mm × 0.1.
How to convert Centimeter to Millimeter
To convert Centimeter to Millimeter, multiply the value in cm by 10. This gives the result in mm.
For example, 1 cm = 10 mm and 10 cm = 100 mm.
What is Centimeter?
Centimeter (cm): One hundredth of a metre. It is useful for ruler measurements, book widths and a person’s height; kilometres would be impractical for these small dimensions. 1 cm = 10 mm = 0.01 m.
What is Millimeter?
Millimeter (mm): One thousandth of a metre. Screw diameters, sheet thicknesses and small dimensions on technical drawings commonly use this finer scale. 1 mm = 0.1 cm = 0.001 m.
FAQ
How many millimeter are in 1 centimeter?
There are 10 mm in 1 cm.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert centimeter to millimeter?
Multiply the value in cm by 10 to get the value in mm.
Centimeter → other Length units
- 1 centimeter → meter = 0.01 meter
- 1 centimeter → kilometer = 1.0E-5 kilometer
- 1 centimeter → decimeter = 0.1 decimeter
- 1 centimeter → millimeter = 10 millimeter
- 1 centimeter → micrometer = 10000 micrometer
- 1 centimeter = 10000000 nanometer
- 1 centimeter = 10000000000 picometer
- 1 centimeter = 5.3995680345572E-6 nautical mile
- 1 centimeter = 6.2137119223733E-6 mile
- 1 centimeter → fathom = 0.0054680664916885 fathom
- 1 centimeter → yard = 0.010936132983377 yard
- 1 centimeter → feet = 0.032808398950131 feet
- 1 centimeter → inch = 0.39370078740157 inch
- 1 centimeter → hand = 0.098425196850394 hand
- 1 centimeter = 6.6845871222684E-14 astronomical unit
- 1 centimeter = 1.0570008340246E-18 lightyear
- 1 centimeter = 3.2407792894443E-19 parsec
Centimeter → Millimeter Table
The table below shows common values from Centimeter to Millimeter and the reverse direction for quick reference.
| cm | mm | Rounded |
|---|---|---|
| 1 cm | 10 mm | 10.0000 |
| 2 cm | 20 mm | 20.0000 |
| 3 cm | 30 mm | 30.0000 |
| 4 cm | 40 mm | 40.0000 |
| 5 cm | 50 mm | 50.0000 |
| 10 cm | 100 mm | 100.0000 |
| 12 cm | 120 mm | 120.0000 |
| 15 cm | 150 mm | 150.0000 |
| 20 cm | 200 mm | 200.0000 |
| 25 cm | 250 mm | 250.0000 |
| 30 cm | 300 mm | 300.0000 |
| 40 cm | 400 mm | 400.0000 |
| 50 cm | 500 mm | 500.0000 |
| 75 cm | 750 mm | 750.0000 |
| 100 cm | 1000 mm | 1000.0000 |
| 200 cm | 2000 mm | 2000.0000 |
| 250 cm | 2500 mm | 2500.0000 |
| 500 cm | 5000 mm | 5000.0000 |
| 750 cm | 7500 mm | 7500.0000 |
| 1000 cm | 10000 mm | 10000.0000 |
| 2500 cm | 25000 mm | 25000.0000 |
| 5000 cm | 50000 mm | 50000.0000 |
| 10000 cm | 100000 mm | 100000.0000 |
Millimeter → Centimeter Table
| mm | cm | Rounded |
|---|---|---|
| 1 mm | 0.1 cm | 0.1000 |
| 2 mm | 0.2 cm | 0.2000 |
| 3 mm | 0.3 cm | 0.3000 |
| 4 mm | 0.4 cm | 0.4000 |
| 5 mm | 0.5 cm | 0.5000 |
| 10 mm | 1 cm | 1.0000 |
| 12 mm | 1.2 cm | 1.2000 |
| 15 mm | 1.5 cm | 1.5000 |
| 20 mm | 2 cm | 2.0000 |
| 25 mm | 2.5 cm | 2.5000 |
| 30 mm | 3 cm | 3.0000 |
| 40 mm | 4 cm | 4.0000 |
| 50 mm | 5 cm | 5.0000 |
| 75 mm | 7.5 cm | 7.5000 |
| 100 mm | 10 cm | 10.0000 |
| 200 mm | 20 cm | 20.0000 |
| 250 mm | 25 cm | 25.0000 |
| 500 mm | 50 cm | 50.0000 |
| 750 mm | 75 cm | 75.0000 |
| 1000 mm | 100 cm | 100.0000 |
| 2500 mm | 250 cm | 250.0000 |
| 5000 mm | 500 cm | 500.0000 |
| 10000 mm | 1000 cm | 1000.0000 |
Millimeter → Centimeter
The reverse value is 1 mm = 0.1 cm.