4.2 km = 420,000 cm. To convert kilometers to centimeters, multiply by 100,000: 4.2 × 100,000 = 420,000.
How to convert kilometers to centimeters
cm = km × 100,000
- 1 km = 100,000 cm (and 1 cm = 0.00001 km).
- Multiply the amount by the factor: 4.2 × 100,000 = 420,000.
- Answer: 4.2 km = 420,000 cm.
Kilometers to Centimeters table
| Kilometers (km) | Centimeters (cm) |
|---|---|
| 3.7 km | 370,000 cm |
| 3.8 km | 380,000 cm |
| 3.9 km | 390,000 cm |
| 4 km | 400,000 cm |
| 4.1 km | 410,000 cm |
| 4.2 km | 420,000 cm |
| 4.3 km | 430,000 cm |
| 4.4 km | 440,000 cm |
| 4.5 km | 450,000 cm |
| 4.6 km | 460,000 cm |
| 4.7 km | 470,000 cm |
| km | cm |
|---|---|
| 1 km | 100,000 cm |
| 5 km | 500,000 cm |
| 10 km | 1,000,000 cm |
| 50 km | 5,000,000 cm |
| 100 km | 10,000,000 cm |
| 1,000 km | 100,000,000 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.