490 cm = 0.0049 km. To convert centimeters to kilometers, divide by 100,000: 490 ÷ 100,000 = 0.0049.
How to convert centimeters to kilometers
km = cm × 0.00001
- 1 cm = 0.00001 km (and 1 km = 100,000 cm).
- Multiply the amount by the factor: 490 × 0.00001 = 0.0049.
- Answer: 490 cm = 0.0049 km.
Shortcut: dividing by 100,000 gives the same result as multiplying by 0.00001.
Centimeters to Kilometers table
| Centimeters (cm) | Kilometers (km) |
|---|---|
| 485 cm | 0.00485 km |
| 486 cm | 0.00486 km |
| 487 cm | 0.00487 km |
| 488 cm | 0.00488 km |
| 489 cm | 0.00489 km |
| 490 cm | 0.0049 km |
| 491 cm | 0.00491 km |
| 492 cm | 0.00492 km |
| 493 cm | 0.00493 km |
| 494 cm | 0.00494 km |
| 495 cm | 0.00495 km |
| cm | km |
|---|---|
| 1 cm | 0.00001 km |
| 5 cm | 0.00005 km |
| 10 cm | 0.0001 km |
| 50 cm | 0.0005 km |
| 100 cm | 0.001 km |
| 1,000 cm | 0.01 km |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.