Centimeters (cm) to Millimeters (mm) Conversion
Centimeters
The centimetre is a unit of length equal to one hundredth of a metre (10⁻² m), derived using the SI prefix centi- (from Latin centum, meaning hundred). It is widely used in everyday measurement of body height, garment sizing, and small objects, and is the standard unit in medicine, tailoring, and interior design. In the CGS (centimetre-gram-second) system that preceded modern SI, the centimetre served as the fundamental unit of length, giving rise to derived units such as the dyne and erg still encountered in physics literature.
Millimeters
The millimetre is a unit of length equal to one thousandth of a metre (10⁻³ m), derived using the SI prefix milli- (from Latin mille, thousand). It is the standard unit for precision measurements in engineering, manufacturing, and medicine, where tolerances are routinely specified to the nearest millimetre or fraction thereof. In meteorology, rainfall is universally measured in millimetres, where 1 mm of rainfall corresponds to 1 litre of water per square metre of surface area.
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 0.1 cm | 1.00 mm |
| 1 cm | 10.00 mm |
| 2 cm | 20.00 mm |
| 3 cm | 30.00 mm |
| 5 cm | 50.00 mm |
| 10 cm | 100.00 mm |
| 20 cm | 200.00 mm |
| 30 cm | 300.00 mm |
| 50 cm | 500.00 mm |
| 100 cm | 1,000.00 mm |
| 1000 cm | 10,000.00 mm |
Frequently Asked Questions (FAQ)
How many millimeters are in 1 centimeters?
1 centimeters (cm) is exactly 10.000 millimeters (mm).
How do I convert centimeters to millimeters?
Multiply the value in centimeters by 10.000 to get the result in millimeters. Or use the converter above — type any number and see the result instantly.