ToolNestKilometers to Miles Converter
Convert kilometers to miles instantly with our free length converter. 1 kilometer = 0.621371 mi — type any value below and the result updates live.
Kilometers → Miles⇄ Swap: Miles → Kilometers
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Kilometers to Miles Formula
Miles = Kilometers × 0.621371 (Kilometers = Miles × 1.609344)
Length conversion covers the metric units scientists and most of the world use (millimeters, centimeters, meters, kilometers) and the imperial units still standard in the United States (inches, feet, yards, miles).
Kilometers to Miles Conversion Table
| Kilometers | Miles | |
|---|---|---|
| 1 km | = | 0.621371 mi |
| 2 km | = | 1.242742 mi |
| 5 km | = | 3.106856 mi |
| 10 km | = | 6.213712 mi |
| 25 km | = | 15.53428 mi |
| 50 km | = | 31.06856 mi |
| 100 km | = | 62.137119 mi |
About Kilometers and Miles
A kilometer is 1,000 meters — the standard unit for road distances everywhere except the US, UK, and a few others.
A statute mile is 5,280 feet — exactly 1,609.344 meters. The US standard for road distances and speed limits.
Frequently Asked Questions
How many miles are in one kilometer?
One kilometer equals 0.621371 miles. Multiply any kilometers value by 0.621371 to convert it.
What is the formula for converting kilometers to miles?
Miles = Kilometers × 0.621371. To reverse it: kilometers = miles × 1.609344.
How do I convert miles back to kilometers?
Divide the miles value by 0.621371 (equivalently, multiply by 1.609344). Or use our miles-to-kilometers converter going the other way.
Which is bigger, a kilometer or a mile?
A mile is bigger — it takes 1.609344 kilometers to make one mile.