1 cm = 1.0000 × 10^−5 km
1 centimeter equals 1.0000 × 10^−5 kilometers. To convert centimeters to kilometers, multiply the centimeter value by 1.0000 × 10^−5. For quick reference: 1 cm = 1.0000 × 10^−5 km, 5 cm = 5.0000 × 10^−5 km, 10 cm = 0.0001 km, 100 cm = 0.001 km.
Kilometers = Centimeters × 1.0000 × 10^−5Start with your value in centimeters.
Multiply the centimeter value by 1.0000 × 10^−5. This is the exact conversion factor from centimeters to kilometers.
The product is your value in kilometers. For example, 5 cm × 1.0000 × 10^−5 = 5.0000 × 10^−5 km.
The exact factor from centimeters to kilometers is 1.0000 × 10^−5.
Kilometers = Centimeters × 1.0000 × 10^−5
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Centimeters (cm) | Kilometers (km) |
|---|---|
| 0.1 cm | 1.0000 × 10^−6 km |
| 0.25 cm | 2.5000 × 10^−6 km |
| 0.5 cm | 5.0000 × 10^−6 km |
| 1 cm | 1.0000 × 10^−5 km |
| 2 cm | 2.0000 × 10^−5 km |
| 3 cm | 3.0000 × 10^−5 km |
| 4 cm | 4.0000 × 10^−5 km |
| 5 cm | 5.0000 × 10^−5 km |
| 6 cm | 6.0000 × 10^−5 km |
| 7 cm | 7.0000 × 10^−5 km |
| 8 cm | 8.0000 × 10^−5 km |
| 9 cm | 9.0000 × 10^−5 km |
| 10 cm | 0.0001 km |
| 11 cm | 0.00011 km |
| 12 cm | 0.00012 km |
| 13 cm | 0.00013 km |
| 14 cm | 0.00014 km |
| 15 cm | 0.00015 km |
| 16 cm | 0.00016 km |
| 18 cm | 0.00018 km |
| 20 cm | 0.0002 km |
| 22 cm | 0.00022 km |
| 24 cm | 0.00024 km |
| 25 cm | 0.00025 km |
| 28 cm | 0.00028 km |
| 30 cm | 0.0003 km |
| 32 cm | 0.00032 km |
| 36 cm | 0.00036 km |
| 40 cm | 0.0004 km |
| 45 cm | 0.00045 km |
| 48 cm | 0.00048 km |
| 50 cm | 0.0005 km |
| 60 cm | 0.0006 km |
| 70 cm | 0.0007 km |
| 75 cm | 0.00075 km |
| 80 cm | 0.0008 km |
| 90 cm | 0.0009 km |
| 100 cm | 0.001 km |
| 125 cm | 0.00125 km |
| 150 cm | 0.0015 km |
| 200 cm | 0.002 km |
| 250 cm | 0.0025 km |
| 300 cm | 0.003 km |
| 400 cm | 0.004 km |
| 500 cm | 0.005 km |
| 600 cm | 0.006 km |
| 750 cm | 0.0075 km |
| 800 cm | 0.008 km |
| 900 cm | 0.009 km |
| 1000 cm | 0.01 km |
A US quarter is about 2.4 cm wide. An adult thumb is around 6 cm long. A typical smartphone is 14–16 cm tall.
The centimeter (cm) is a metric unit of length equal to one-hundredth of a meter. It is the most common everyday unit outside the US for measuring small to mid-sized objects, body dimensions like height when stated in metric, fabric, and TV diagonals. A US quarter coin is about 2.4 cm wide; an average adult thumb is around 6 cm long.
The kilometer (km) equals exactly 1,000 meters. It is the standard unit for road distances in almost every country except the United States and the United Kingdom. A 5K running race is 5 kilometers; a marathon is 42.195 km.