Kilometers to Miles Converter
1 kilometer = 0.6213712 miles
Type a value in either box: the conversion between kilometers (km) and miles (mi) updates instantly.
Good to know
Running distances: a 5K is about 3.11 miles, a 10K about 6.21 miles, a half marathon 13.1 miles and a marathon 26.2 miles. For a quick estimate, multiply kilometers by 0.6.
How to convert kilometers to miles
To convert kilometers to miles, multiply the number of kilometers by 0.6213712. To go the other way, multiply miles by 1.609344.
mi = km × 0.6213712
Worked examples
- 5 km = 3.106856 mi
- 10 km = 6.213712 mi
- 21.0975 km = 13.10938 mi
- 42.195 km = 26.21876 mi
Kilometers to Miles conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.6213712 mi |
| 2 km | 1.242742 mi |
| 3 km | 1.864114 mi |
| 4 km | 2.485485 mi |
| 5 km | 3.106856 mi |
| 6 km | 3.728227 mi |
| 7 km | 4.349598 mi |
| 8 km | 4.97097 mi |
| 9 km | 5.592341 mi |
| 10 km | 6.213712 mi |
| 15 km | 9.320568 mi |
| 20 km | 12.42742 mi |
| 25 km | 15.53428 mi |
| 30 km | 18.64114 mi |
| 40 km | 24.85485 mi |
| 50 km | 31.06856 mi |
| 75 km | 46.60284 mi |
| 100 km | 62.13712 mi |
| 250 km | 155.3428 mi |
| 500 km | 310.6856 mi |
| 1,000 km | 621.3712 mi |
About the units
Kilometers (km)
The kilometer (km) is a metric unit of length equal to 1,000 meters. It is used for road distances and running races in most countries.
Miles (mi)
The mile (mi) equals exactly 1,609.344 meters (5,280 feet). It is used for road distances in the United States and the United Kingdom.
Frequently asked questions
How do I convert kilometers to miles?
mi = km × 0.6213712What is 10 km in miles?
How many miles are in a kilometer?
How many kilometers are in a mile?
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.