490 mm = 49 cm. To convert millimeters to centimeters, divide by 10: 490 ÷ 10 = 49.
How to convert millimeters to centimeters
cm = mm × 0.1
- 1 mm = 0.1 cm (and 1 cm = 10 mm).
- Multiply the amount by the factor: 490 × 0.1 = 49.
- Answer: 490 mm = 49 cm.
Shortcut: dividing by 10 gives the same result as multiplying by 0.1.
Millimeters to Centimeters table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 485 mm | 48.5 cm |
| 486 mm | 48.6 cm |
| 487 mm | 48.7 cm |
| 488 mm | 48.8 cm |
| 489 mm | 48.9 cm |
| 490 mm | 49 cm |
| 491 mm | 49.1 cm |
| 492 mm | 49.2 cm |
| 493 mm | 49.3 cm |
| 494 mm | 49.4 cm |
| 495 mm | 49.5 cm |
| mm | cm |
|---|---|
| 1 mm | 0.1 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| 1,000 mm | 100 cm |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.