How to convert miles to kilometers
km = mi × 1.609344Multiply the value in miles by 1.609344. To go the other way, multiply by 0.6213711922 (or divide by 1.609344).
A mile is larger than a kilometer: one mile contains 1.609344 kilometers.
Worked examples
- 1 mile1 mi × 1.609344 = 1.609344 km
- 5 miles5 mi × 1.609344 = 8.04672 km
- 10 miles10 mi × 1.609344 = 16.09344 km
- 20 miles20 mi × 1.609344 = 32.18688 km
- 100 miles100 mi × 1.609344 = 160.9344 km
Miles to kilometers conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.1 mi | 0.1609344 km |
| 0.25 mi | 0.402336 km |
| 0.5 mi | 0.804672 km |
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 3 mi | 4.828032 km |
| 4 mi | 6.437376 km |
| 5 mi | 8.04672 km |
| 6 mi | 9.656064 km |
| 7 mi | 11.265408 km |
| 8 mi | 12.874752 km |
| 9 mi | 14.484096 km |
| 10 mi | 16.09344 km |
| Miles (mi) | Kilometers (km) |
|---|---|
| 12 mi | 19.312128 km |
| 15 mi | 24.14016 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 30 mi | 48.28032 km |
| 40 mi | 64.37376 km |
| 50 mi | 80.4672 km |
| 75 mi | 120.7008 km |
| 100 mi | 160.9344 km |
| 250 mi | 402.336 km |
| 500 mi | 804.672 km |
| 1,000 mi | 1,609.344 km |
About the units
Mile (mi)
The international (statute) mile equals exactly 1,609.344 m or 5,280 ft. It is the standard road-distance unit in the US and UK.
Kilometer (km)
One thousand metres. Kilometres measure road distances and running races in most countries; a 10K race is 10 km, about 6.2 miles. One kilometer equals 1,000 meters (m).
Frequently asked questions
How many kilometers are in one mile?
There are 1.609344 kilometers in one mile, and this value is exact by definition.
How do I convert miles to kilometers?
Multiply the number of miles by 1.609344. For example, 10 mi × 1.609344 = 16.09344 km.
How many miles are in one kilometer?
One kilometer equals 0.6213711922 miles. That is the reverse factor, 1 ÷ 1.609344.
What is 10 miles in kilometers?
10 mi = 16.09344 km.
Is this mi to km converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.