The conversion
1 mile equals exactly 1.609344 kilometres. The converter keeps full precision and rounds only what it shows.
Formula: Multiply the number of miles by 1.609344 to get kilometers.
Going the other way, 1 kilometre = 0.621371192 miles.
Length & distance
Convert miles to kilometers
Enter a value in miles to see the exact equivalent in kilometers. 1 mi = 1.609344 km.
Quick reference
| Mile | Kilometre |
|---|---|
| 1 mi | 1.6093 km |
| 2 mi | 3.2187 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
FAQ
How many kilometers are in 1 mile?
1 mile = 1.609344 kilometres (rounded). The exact factor is 1.609344.
What is the formula to convert miles to kilometers?
Multiply the number of miles by 1.609344 to get kilometers.
Is this miles-to-kilometers conversion exact?
1 mile equals exactly 1.609344 kilometres. The converter keeps full precision and rounds only what it shows.