How to convert kilometers to centimeters
Kilometers and Centimeters both measure length, so converting is a single multiplication. One km equals 100,000 cm, so you multiply your kilometers value by 100,000.
Formula: centimeters = kilometers × 100,000. For example, 10 km = 1,000,000 cm.
Kilometers to Centimeters conversion table
| Kilometers (km) | Centimeters (cm) |
|---|---|
| 1 | 100,000 |
| 2 | 200,000 |
| 5 | 500,000 |
| 10 | 1,000,000 |
| 25 | 2,500,000 |
| 50 | 5,000,000 |
| 100 | 10,000,000 |
| 1,000 | 100,000,000 |
Kilometers and Centimeters explained
Kilometers (km): One thousand metres, the metric unit for road distances in most of the world.
Centimeters (cm): One-hundredth of a metre, common for body measurements, paper sizes and everyday lengths.
When you'd convert kilometers to centimeters
You'll convert kilometers to centimeters whenever a measurement is given in one unit but you need it in the other — comparing kilometers and centimeters figures across regions, following a recipe or spec, or double-checking a number. Because 1 km is exactly 100,000 cm, the result is precise every time.
Frequently asked questions
How many centimeters are in a kilometer?
One km equals 100,000 cm. Multiply your kilometers figure by 100,000 to get centimeters.
What is the formula to convert kilometers to centimeters?
centimeters = kilometers × 100,000. The factor 100,000 is exact.
What is 2 kilometers in centimeters?
2 km = 200,000 cm. You can enter any value in the converter above to get an instant result.
Is this Kilometers to Centimeters converter accurate?
Yes. It uses the standard conversion factor (1 km = 100,000 cm) defined by BIPM — SI Brochure (definition of the metre), so results are exact to several decimal places.