2 centimeters to millimeters
2 centimeters = 20 millimeters
Rounded to a practical precision: 20 mm.
Guide & FAQHow the calculation works · Nearby values · About these units · Frequently asked questions
How the calculation works
One centimeter is 10 millimeters, so:
2 cm × 10 = 20 mm
Reversing it, 20 millimeters ÷ 10 returns 2 centimeters.
Nearby values
| Centimeters | Millimeters |
|---|---|
| 0.5 cm | 5 mm |
| 1 cm | 10 mm |
| 1.5 cm | 15 mm |
| 2 cm | 20 mm |
| 2.5 cm | 25 mm |
| 3 cm | 30 mm |
| 3.5 cm | 35 mm |
| 4 cm | 40 mm |
In everyday terms, 2 centimeters is about the width of a thumb.
About these units
Centimeter (cm) — A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.
Millimeter (mm) — A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.
Frequently asked questions
How many millimeters is 2 centimeters?
2 centimeters is 20 millimeters.
How do I convert centimeters to millimeters myself?
Multiply by 10. To go back, divide by 10 — or multiply by 0.1.
Is this figure exact?
The conversion factor between the centimeter and the millimeter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.
Convert other values
Full centimeters to millimeters converter · All length converters