How to convert centimeters to kilometers
Centimeters and Kilometers both measure length, so converting is a single multiplication. One cm equals 0.00001 km, so you multiply your centimeters value by 0.00001.
Formula: kilometers = centimeters × 0.00001. For example, 10 cm = 0.0001 km.
Centimeters to Kilometers conversion table
| Centimeters (cm) | Kilometers (km) |
|---|---|
| 1 | 0.00001 |
| 2 | 0.00002 |
| 5 | 0.00005 |
| 10 | 0.0001 |
| 25 | 0.00025 |
| 50 | 0.0005 |
| 100 | 0.001 |
| 1,000 | 0.01 |
Centimeters and Kilometers explained
Centimeters (cm): One-hundredth of a metre, common for body measurements, paper sizes and everyday lengths.
Kilometers (km): One thousand metres, the metric unit for road distances in most of the world.
When you'd convert centimeters to kilometers
You'll convert centimeters to kilometers whenever a measurement is given in one unit but you need it in the other — comparing centimeters and kilometers figures across regions, following a recipe or spec, or double-checking a number. Because 1 cm is exactly 0.00001 km, the result is precise every time.
Frequently asked questions
How many kilometers are in a centimeter?
One cm equals 0.00001 km. Multiply your centimeters figure by 0.00001 to get kilometers.
What is the formula to convert centimeters to kilometers?
kilometers = centimeters × 0.00001. The factor 0.00001 is exact.
What is 2 centimeters in kilometers?
2 cm = 0.00002 km. You can enter any value in the converter above to get an instant result.
Is this Centimeters to Kilometers converter accurate?
Yes. It uses the standard conversion factor (1 cm = 0.00001 km) defined by BIPM — SI Brochure (definition of the metre), so results are exact to several decimal places.