How many miles are in one kilometer?
One kilometer is 0.6214 mi.
Kilometers to Miles
Type a value to convert it from kilometers to miles. One km equals 0.6214 mi.
Result
Kilometers and miles, side by side
One kilometer is 0.6214 mi. In the other direction, one mile is 1.609 km.
The factor is exact rather than rounded: imperial and US units have been defined from the metric ones since 1959, so the conversion introduces no error of its own. What you see below is arithmetic, not an approximation.
The kilometer is a thousand meters, the unit for road distances and running races almost everywhere except the United States and the United Kingdom, where road signs use miles. A marathon is 42.195 km.
The mile is 5,280 feet, exactly 1,609.344 meters. It remains the unit for road distances and speed limits in the United States and the United Kingdom. The nautical mile used at sea and in the air is a different unit: 1,852 meters.
| Kilometer | Mile |
|---|---|
| 1 | 0.621371 |
| 5 | 3.10686 |
| 10 | 6.21371 |
| 20 | 12.4274 |
| 50 | 31.0686 |
| 100 | 62.1371 |
Frequently asked questions
How do I convert miles back to kilometers?
One mile is 1.609 km. The tool above converts in both directions.
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