Miles to kilometers converter
Convert miles to kilometers, or the other way round. For road signs and speed limits in the US and UK, running distances and mileage.
Formula
km = miles × 1.609344
Multiply by 1.6, or take the number, add half of it and a tenth. 10 miles: 10 + 5 + 1 = 16 km (exact: 16.1).
Conversion chart
| miles | km |
|---|---|
| 0.5 miles | 0.8 km |
| 1 miles | 1.61 km |
| 2 miles | 3.22 km |
| 3.1 miles | 4.99 km |
| 5 miles | 8.05 km |
| 6.2 miles | 9.98 km |
| 10 miles | 16.09 km |
| 13.1 miles | 21.08 km |
| 20 miles | 32.19 km |
| 26.2 miles | 42.16 km |
| 50 miles | 80.47 km |
| 60 miles | 96.56 km |
| 100 miles | 160.93 km |
| 250 miles | 402.34 km |
| 500 miles | 804.67 km |
Good to know
- A 5K is 3.1 miles and a 10K is 6.2 miles.
- A half marathon is 13.1 miles (21.1 km) and a marathon is 26.2 miles (42.2 km).
- Speed limits work the same way: 60 mph is 96.6 km/h and 70 mph is 112.7 km/h.
- US and UK road signs are in miles; most of Europe, Canada and Australia use kilometers.
Never convert by hand again
Herewise is a free Chrome extension that puts the converted value next to measurements on every web page, in the units you prefer. No account, and nothing you read leaves your browser.
Questions
How many km is 10 miles?
10 miles is 16.09 km.
How many km is 60 mph?
60 mph is 96.56 km/h.
How many miles is 100 km?
100 km is 62.14 miles.
Can I see km automatically on web pages?
Yes. Herewise is a free Chrome extension that adds the converted value next to measurements on any page you read, in the system you prefer.