Kilometers to Miles Converter
Convert Kilometers to Miles (km to mi) quickly and accurately.
Quick conversion table
| Kilometers | Miles |
|---|---|
| 1 km | 0.62137 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 20 km | 12.42742 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.13712 mi |
| 200 km | 124.27424 mi |
About this tool
The kilometer (km), equal to 1,000 meters, is the metric unit used for road distances, running and cycling routes, and navigation in almost every country in the world.
The mile traces back to the Roman "mille passus" (a thousand paces) and is the imperial unit still used for road distances and speed limits in the United States and the United Kingdom. Since 1959, 1 mile has been defined as exactly 1,609.344 meters.
This converter is handy for planning a road trip abroad, comparing marathon or race distances, or making sense of a speed limit or odometer reading in a country that uses the other unit.
Worked example
- 1Start with your value in Kilometers. For example, 10 km.
- 2Apply the formula: 1 kilometer = 0.6213711922 miles.
- 310 km converts to 6.21371 mi.
Formula
1 kilometer = 0.6213711922 miles
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Frequently asked questions
- How do I convert Kilometers to Miles?
- Multiply the value in Kilometers using the formula: 1 kilometer = 0.6213711922 miles.
- How many Miles is 1 Kilometers?
- 1 km is equal to 0.62137 mi.
- How many Miles is 10 Kilometers?
- 10 km is equal to 6.21371 mi.
- How many Miles is 100 Kilometers?
- 100 km is equal to 62.13712 mi.
- Is the km to miles conversion exact?
- Yes. The international mile is defined as exactly 1,609.344 meters, so the conversion factor is exact rather than approximated. Results are rounded to 5 decimal places for display.