2 cm to mm
2 cm = 20 mm
2 centimeters equals 20 millimeters.
How to convert 2 cm to mm
Use the formula mm = cm × 10:
mm = 2 × 10mm = 20
So 2 cm = 20 mm.
Rounded values and quick estimate
- Rounded to a whole number: 20 mm
- Rounded to one decimal place: 20 mm
- Conversion factor: 1 centimeter = 10 millimeters
This conversion is exact, so there is no need to estimate: just multiply by 10.
2 cm in other units
- Millimeters
- 20 mm
- Meters
- 0.02 m
- Kilometers
- 0.00002 km
- Inches
- 0.7874 in
- Feet
- 0.0656 ft
- Yards
- 0.0219 yd
- Miles
- 0.000012 mi
- Micrometers
- 20000 µm
- Hands
- 0.1969 hh
- Nautical miles
- 0.000011 nmi
- Mils (thou)
- 787.4 mil
2 cm and nearby values
About centimeters and millimeters
A centimeter is one hundredth of a meter. It is the everyday metric unit for body height, clothing and short lengths.
A millimeter is one thousandth of a meter (0.1 cm). It is used for small, precise measurements like rainfall, screws and paper thickness.
Related conversions
Frequently asked questions
What is 2 cm in mm?
2 centimeters is 20 millimeters (2 cm = 20 mm).
How do you convert 2 cm to mm?
Apply mm = cm × 10: mm = 2 × 10, mm = 20.
How many centimeters is 20 mm?
20 mm is about 2 centimeters.