Convert km to miles
Convert km to miles instantly in your browser. 1 km = 0.621371 miles.
How to use
- 1
Enter the value
Type the number of km you want to convert.
- 2
Read the result
The equivalent in miles is calculated instantly in your browser.
Technical details
To convert km to miles, multiply the value by 0.621371. To convert back, multiply miles by 1.609344.
This converter uses the exact internationally defined ratio, so results are accurate for both everyday and technical work. The reference table below shows common km values converted to miles.
Reference table
| km | miles |
|---|---|
| 1 km | 0.621371 miles |
| 2 km | 1.242742 miles |
| 5 km | 3.106856 miles |
| 10 km | 6.213712 miles |
| 25 km | 15.53428 miles |
| 50 km | 31.06856 miles |
| 100 km | 62.137119 miles |
Frequently asked questions
How many miles are in one km?
One km equals 0.621371 miles.
What is the formula to convert km to miles?
Multiply the number of km by 0.621371 to get miles.
Is this conversion exact?
Yes. It uses the exact defined relationship between km and miles, not a rounded approximation.
Reviewed by:Easy Converter Engineering Team
This tool was tested and calibrated by our engineering team. All processing happens locally in your browser — your files and data never leave your device.
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