Unit converter
Miles to Kilometers Converter
Convert miles to kilometers using the exact international definition: 1 mile = 1.609344 kilometers. Handy for running distances, road trips, and reading car speedometers abroad.
Formula
km = mi × 1.609344
Example: 26.2 mi (marathon) × 1.609344 ≈ 42.195 km.
Miles to Kilometers conversion chart
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.5 mi | 0.8047 km |
| 1 mi | 1.6093 km |
| 2 mi | 3.2187 km |
| 3 mi | 4.828 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 13.1 mi | 21.0824 km |
| 15 mi | 24.1402 km |
| 20 mi | 32.1869 km |
| 25 mi | 40.2336 km |
| 26.2 mi | 42.1648 km |
| 30 mi | 48.2803 km |
| 50 mi | 80.4672 km |
| 75 mi | 120.7008 km |
| 100 mi | 160.9344 km |
| 200 mi | 321.8688 km |
Frequently asked questions
- How many kilometers are in a mile?
- Exactly 1.609344 km. Since 1959 the international mile has been defined against the meter.
- How do I convert miles to km in my head?
- Multiply miles by 8/5 (i.e. 1.6). For 5 miles: 5 × 1.6 = 8 km.
- How long is a marathon in kilometers?
- 26.2185 miles, which is 42.195 km — the standard marathon distance since 1921.
Reverse
Kilometers → MilesRelated conversions