20 mm to cm
20 mm = 2 cm
20 millimeters equals 2 centimeters.
How to convert 20 mm to cm
Use the formula cm = mm ÷ 10:
cm = 20 ÷ 10cm = 2
So 20 mm = 2 cm.
Rounded values and quick estimate
- Rounded to a whole number: 2 cm
- Rounded to one decimal place: 2 cm
- Conversion factor: 1 millimeter = 0.1 centimeters
This conversion is exact, so there is no need to estimate: just divide by 10.
20 mm in other units
- Centimeters
- 2 cm
- 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
20 mm and nearby values
| Millimeters | Centimeters |
|---|---|
| 16 mm | 1.6 cm |
| 17 mm | 1.7 cm |
| 18 mm | 1.8 cm |
| 19 mm | 1.9 cm |
| 20 mm | 2 cm |
| 21 mm | 2.1 cm |
| 22 mm | 2.2 cm |
| 23 mm | 2.3 cm |
| 24 mm | 2.4 cm |
About millimeters and centimeters
A millimeter is one thousandth of a meter (0.1 cm). It is used for small, precise measurements like rainfall, screws and paper thickness.
A centimeter is one hundredth of a meter. It is the everyday metric unit for body height, clothing and short lengths.
Related conversions
Frequently asked questions
What is 20 mm in cm?
20 millimeters is 2 centimeters (20 mm = 2 cm).
How do you convert 20 mm to cm?
Apply cm = mm ÷ 10: cm = 20 ÷ 10, cm = 2.
How many millimeters is 2 cm?
2 cm is about 20 millimeters.