Centimetres to kilometres converter
Kilometres (km)
1 centimetre = 0.00001 kilometres
How to convert centimetres to kilometres
km = cm × 0.00001
Multiply the number of centimetres by 0.00001 to get kilometres. Going the other way, divide by 0.00001 (or multiply by 100000).
One centimetre is exactly defined as 0.00001 kilometres (to 12 significant figures), and one kilometre is 100000 centimetres.
Worked examples
- Convert 5 centimetres: 5 × 0.00001 = 0.00005 0.00005 kilometres.
- Convert 12.5 centimetres: 12.5 × 0.00001 = 0.000125 0.000125 kilometres.
- Convert 250 centimetres: 250 × 0.00001 = 0.0025 0.0025 kilometres.
Quick-reference table
| cm | km |
|---|---|
| 1 | 0.00001 |
| 2 | 0.00002 |
| 3 | 0.00003 |
| 5 | 0.00005 |
| 10 | 0.0001 |
| 15 | 0.00015 |
| 20 | 0.0002 |
| 25 | 0.00025 |
| 50 | 0.0005 |
| 75 | 0.00075 |
| 100 | 0.001 |
| 1,000 | 0.01 |
| km | cm |
|---|---|
| 1 | 100,000 |
| 2 | 200,000 |
| 3 | 300,000 |
| 5 | 500,000 |
| 10 | 1,000,000 |
| 15 | 1,500,000 |
| 20 | 2,000,000 |
| 25 | 2,500,000 |
| 50 | 5,000,000 |
| 75 | 7,500,000 |
| 100 | 10,000,000 |
| 1,000 | 100,000,000 |
Related conversions
Frequently asked questions
How many kilometres are in 1 centimetre?
1 centimetre equals 0.00001 kilometres.
What is the formula to convert centimetres to kilometres?
Use km = cm × 0.00001. Multiply the number of centimetres by 0.00001 to get kilometres. Going the other way, divide by 0.00001 (or multiply by 100000).
What is 100 centimetres in kilometres?
100 centimetres is 0.001 kilometres.