How to convert kilometers to miles
To convert kilometers to miles, multiply by 0.621371192237. Length conversions are used everywhere from construction drawings and travel distances to sewing patterns and science homework.
Kilometer to Mile conversion table
| Kilometer (km) | Mile (mi) |
|---|---|
| 0.1 km | 0.0621371192237 mi |
| 0.5 km | 0.310685596119 mi |
| 1 km | 0.621371192237 mi |
| 2 km | 1.24274238447 mi |
| 3 km | 1.86411357671 mi |
| 4 km | 2.48548476895 mi |
| 5 km | 3.10685596119 mi |
| 10 km | 6.21371192237 mi |
| 20 km | 12.4274238447 mi |
| 25 km | 15.5342798059 mi |
| 50 km | 31.0685596119 mi |
| 100 km | 62.1371192237 mi |
| 500 km | 310.685596119 mi |
| 1,000 km | 621.371192237 mi |
About the units
Kilometer (km)
A kilometer equals 1,000 meters and is the standard unit for road distances and running races in most countries.
Mile (mi)
The international mile equals 5,280 feet, or exactly 1,609.344 meters, and is used for road distances in the US and UK.
How to use this converter
- Type the number of kilometers (km) in the input box.
- The result in miles appears instantly — no button needed.
- See the same value in every other length unit just below.
- Use “Swap units” to convert miles back to kilometers.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many miles are in one kilometer?
One kilometer equals 0.621371192237 miles. 0.621371192237 is the exact factor used by this converter.
How do I convert kilometers to miles?
Multiply the value in kilometers by 0.621371192237. To go the other way, multiply miles by 1.609344.
What is 10 km in mi?
10 km = 6.21371192237 mi. Also, 5 km = 3.10685596119 mi and 100 km = 62.1371192237 mi.
What is the difference between a kilometer and a mile?
A kilometer equals 1,000 meters and is the standard unit for road distances and running races in most countries. The international mile equals 5,280 feet, or exactly 1,609.344 meters, and is used for road distances in the US and UK.
Is this tool free and private?
Yes — the Kilometer to Mile is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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