How to convert kilometers to centimeters
To convert kilometers to centimeters, use the formula cm = km × 100,000. In other words, multiply the number of kilometers by 100,000 to get the equivalent in centimeters. For example, 5 km equals 500,000 cm.
KM to CM Converter
Convert kilometers to centimeters instantly. 5 km = 500,000 cm.
1 km = 100,000 cm
| KM (km) | CM (cm) |
|---|---|
| 1 km | 100,000 cm |
| 2 km | 200,000 cm |
| 3 km | 300,000 cm |
| 4 km | 400,000 cm |
| 5 km | 500,000 cm |
| 6 km | 600,000 cm |
| 7 km | 700,000 cm |
| 8 km | 800,000 cm |
| 9 km | 900,000 cm |
| 10 km | 1,000,000 cm |
| 15 km | 1,500,000 cm |
| 20 km | 2,000,000 cm |
| 25 km | 2,500,000 cm |
| 30 km | 3,000,000 cm |
| 40 km | 4,000,000 cm |
| 50 km | 5,000,000 cm |
| 75 km | 7,500,000 cm |
| 100 km | 10,000,000 cm |
| 250 km | 25,000,000 cm |
| 500 km | 50,000,000 cm |
| 1,000 km | 100,000,000 cm |
Kilometer and Centimeter
The kilometer (km) and the centimeter (cm) are both units of length. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the CM to KM converter. For all units at once, try the full Length Converter.
Frequently Asked Questions
How do I convert kilometers to centimeters?
Use the formula cm = km × 100,000. For example, 5 km equals 500,000 cm. Just enter your value in the converter above to get an instant result.
What is 1 kilometer in centimeters?
1 km = 100,000 cm. You can multiply any number of kilometers by this figure to convert it, or use the calculator above for exact results.
How do I convert centimeters back to kilometers?
Use the reverse conversion: 1 cm = 0.00001 km. Our CM to KM converter does this for you.