Convert miles to kilometers
1 mi = 1.609344 km — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1.609 344km
Exact decimal: 1.609344
As a fraction: 25146/15625
1 mi = 1.609344 km
How to convert miles to kilometers
Multiply the number of miles by 1.609344 to get kilometers.
The exact factor is 1.609344 — as a fraction, 25146/15625.
Mile: The statute mile: 5280 international feet, exactly 1609.344 m.
Mile to Kilometer conversion table
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609 344 |
| 2 mi | 3.218 688 |
| 3 mi | 4.828 032 |
| 5 mi | 8.046 72 |
| 10 mi | 16.093 44 |
| 20 mi | 32.186 88 |
| 25 mi | 40.2336 |
| 50 mi | 80.4672 |
| 100 mi | 160.9344 |
| 250 mi | 402.336 |
| 500 mi | 804.672 |
| 1000 mi | 1609.344 |
Kilometer to Mile conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621 371 19 |
| 2 km | 1.242 742 4 |
| 3 km | 1.864 113 6 |
| 5 km | 3.106 856 |
| 10 km | 6.213 711 9 |
| 20 km | 12.427 424 |
| 25 km | 15.534 28 |
| 50 km | 31.068 56 |
| 100 km | 62.137 119 |
| 250 km | 155.3428 |
| 500 km | 310.6856 |
| 1000 km | 621.371 19 |
Frequently asked
How many kilometers are in a mile?
One mile equals 1.609344 kilometers (mi → km). That figure is exact, not rounded.
How do you convert miles to kilometers?
Multiply the number of miles by 1.609344 to get kilometers.
What is 1 km in miles?
One kilometer is 0.6213711922 miles.
What is 10 mi in km?
10 mi = 16.093 44 km.
What exactly is a mile?
The statute mile: 5280 international feet, exactly 1609.344 m.