20 millimeters to centimeters
20 millimeters = 2 centimeters
Rounded to a practical precision: 2 cm.
Guide & FAQHow the calculation works · Nearby values · About these units · Frequently asked questions
How the calculation works
One millimeter is 0.1 centimeters, so:
20 mm × 0.1 = 2 cm
Reversing it, 2 centimeters ÷ 0.1 returns 20 millimeters.
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 |
In everyday terms, 20 millimeters is about the width of a thumb.
About these units
Millimeter (mm) — A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.
Centimeter (cm) — A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.
Frequently asked questions
How many centimeters is 20 millimeters?
20 millimeters is 2 centimeters.
How do I convert millimeters to centimeters myself?
Multiply by 0.1. To go back, divide by 0.1 — or multiply by 10.
Is this figure exact?
The conversion factor between the millimeter and the centimeter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.
Convert other values
- 4 millimeters to centimeters
- 5 millimeters to centimeters
- 20 millimeters to centimeters
- 25 millimeters to centimeters
- 36 millimeters to centimeters
- 120 millimeters to centimeters
- 150 millimeters to centimeters
- 200 millimeters to centimeters
- 500 millimeters to centimeters
Full millimeters to centimeters converter · All length converters