Convert kilometers to centimeters
Kilometer (km) to centimeter (cm). One kilometer equals 100000 centimeters.
Formula
Kilometer to centimeter conversion table
| Kilometers | Centimeters | Centimeters | Kilometers |
|---|---|---|---|
| 1 km | 100000 cm | 1 cm | 0.00001 km |
| 2 km | 200000 cm | 2 cm | 0.00002 km |
| 3 km | 300000 cm | 3 cm | 0.00003 km |
| 5 km | 500000 cm | 5 cm | 0.00005 km |
| 10 km | 1000000 cm | 10 cm | 0.0001 km |
| 20 km | 2000000 cm | 20 cm | 0.0002 km |
| 50 km | 5000000 cm | 50 cm | 0.0005 km |
| 100 km | 10000000 cm | 100 cm | 0.001 km |
| 500 km | 50000000 cm | 500 cm | 0.005 km |
| 1000 km | 100000000 cm | 1000 cm | 0.01 km |
To convert kilometers to centimeters, multiply the number of kilometers by 100000. One kilometer equals 100000 centimeters, and one centimeter equals 0.00001 kilometers, so the relationship is fixed and exact. As a worked example, 10 km comes to 1000000 cm. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a length conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common kilometer values already worked out in centimeters, plus the reverse centimeter to kilometer direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many centimeters are in a kilometer?
One kilometer equals 100000 centimeters. The ratio is constant, so you can multiply any number of kilometers by 100000 to get centimeters.
What is the formula to convert kilometers to centimeters?
Use centimeters = kilometers × 100000. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert centimeters back to kilometers?
Go the other way by using one centimeter equals 0.00001 kilometers. You can also press the swap button in the converter above to flip the direction in one click.
Is this kilometer to centimeter converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.