Mile to Kilometer Converter (mi to km)
1 mile = 1.60934 kilometer. The statute mile used in the US and UK is exactly 1.609344 kilometers.
Result
26.2 mi = 42.164813 km
How to convert mile to kilometer
The statute mile used in the US and UK is exactly 1.609344 kilometers. Road signs in the US show miles, while most of the world uses kilometers, so the conversion matters for driving, running and travel planning.
Formula
km = mi × 1.60934
Worked example
26.2 mi × 1.60934 = 42.1648 km
Mile to Kilometer quick-reference table
| Mile (mi) | Kilometer (km) |
|---|---|
| 1 mi | 1.60934 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.0934 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.934 km |
Real-life examples
A marathon is 26.2 miles, which is 42.16 km (the official figure is 42.195 km). A 5 mile run is about 8.05 km, and a 60 mile drive is about 96.6 km.
Frequently asked questions
What is a quick way to convert miles to km in your head?
Multiply by 1.6, or add half and a tenth: 50 miles is 50 + 25 + 5 = 80 km. The exact factor is 1.609344.
How many miles is a 10K?
A 10K run is 10 kilometers, which is 6.2137 miles.
Is a nautical mile the same as a mile?
No. A nautical mile is 1.852 km, about 15 percent longer than the 1.609 km statute mile used on roads.
What is 1 mile in kilometer?
1 mile = 1.60934 kilometer (mi to km).
What is the formula to convert mi to km?
km = mi × 1.60934. For example, 26.2 mi × 1.60934 = 42.1648 km.
How do I convert km back to mi?
Use the reverse converter: 1 kilometer = 0.621371 mile. Check: 42.1648 km converts back to 26.2 mi.
Reverse conversion
Need the other direction? Kilometer to Mile converter (km to mi): 1 kilometer = 0.621371 mile.
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