Convert kilometers to centimeters
1 km = 100,000 cm. Change the amount below, or read the formula and the reference table further down.
1 kilometer equals
centimeters
1 km = 100,000 cm
The formula
Kilometers and centimeters both measure length from the same zero, so a single multiplier does the job.
cm = km × 100,000
Going the other way? Convert centimeters to kilometers.
Kilometers to centimeters table
Common values, rounded for reading.
| Kilometers (km) | Centimeters (cm) |
|---|---|
| 1 | 100,000 |
| 2 | 200,000 |
| 3 | 300,000 |
| 4 | 400,000 |
| 5 | 500,000 |
| 6 | 600,000 |
| 7 | 700,000 |
| 8 | 800,000 |
| 9 | 900,000 |
| 10 | 1,000,000 |
| 15 | 1,500,000 |
| 20 | 2,000,000 |
| 25 | 2,500,000 |
| 30 | 3,000,000 |
| 40 | 4,000,000 |
| 50 | 5,000,000 |
| 75 | 7,500,000 |
| 100 | 10,000,000 |
| 250 | 25,000,000 |
| 500 | 50,000,000 |
| 1,000 | 100,000,000 |
Questions people ask
- How many centimeters are in a kilometer?
- One kilometer equals 100,000 centimeters.
- How do I convert kilometers to centimeters by hand?
- Multiply the number of kilometers by 100,000. For a rough check, 100,000 is close enough for most everyday use.
- What is 1 kilometer in centimeters?
- 1 kilometer is 100,000 centimeters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.