How to convert kilometres to miles
One international mile equals exactly 1.609344 kilometres. One kilometre is approximately 0.621371 miles.
Conversion formula
miles = kilometres ÷ 1.609344
Reverse: kilometres = miles × 1.609344
For example, 1 km = 0.621 mi.
KM to Miles conversion chart
Use these common reference values or the interactive calculator above for any number.
| Kilometres (km) | Miles (mi) |
|---|---|
| 1 km | 0.621 mi |
| 5 km | 3.107 mi |
| 10 km | 6.214 mi |
| 21.0975 km | 13.109 mi |
| 42.195 km | 26.219 mi |
| 50 km | 31.069 mi |
| 100 km | 62.137 mi |
| 160 km | 99.419 mi |
When is this conversion useful?
Road distance signs, running events and fitness apps may use different distance units. A 5K run is five kilometres, not five miles.
This converter is for distance, not speed. For vehicle speeds, use the mph to km/h converter instead.
Frequently asked questions
How many miles is 5 km?
5 km is approximately 3.1069 miles.
How many kilometres is 1 mile?
1 mile is exactly 1.609344 km.