Length
Centimeter vs Inch vs Millimeter
Quick reference table for unit conversions with key differences.
Reference Table
| Centimetercm | Inchin | Millimetermm |
|---|---|---|
| 0.5 | 0.1968504 | 5 |
| 1 | 0.3937008 | 10 |
| 2 | 0.7874016 | 20 |
| 5 | 1.968504 | 50 |
| 10 | 3.937008 | 100 |
| 25 | 9.84252 | 250 |
| 50 | 19.68504 | 500 |
| 100 | 39.37008 | 1000 |
| 500 | 196.8504 | 5000 |
| 1000 | 393.7008 | 10000 |
About These Units
cm
Centimeter
Symbol: cm
The centimeter is one hundredth of a meter. Commonly used for body measurements, clothing sizes, and small objects.
Used in: Worldwide
in
Inch
Symbol: in
The inch equals 2.54 centimeters. Used for screen sizes, paper dimensions, and small measurements in the US.
Used in: United States, United Kingdom
mm
Millimeter
Symbol: mm
The millimeter is one thousandth of a meter. Used in engineering, manufacturing, and for precise measurements.
Used in: Worldwide
Key Differences
- 1 cm is equal to 0.3937008 in.
- 1 cm is equal to 10 mm.
- 1 in is equal to 25.4 mm.