How do you convert kilometer to mile?
To convert kilometers to miles, multiply the value by the conversion factor 0.621371192237. In this tool, 1 kilometer equals 0.621371192237 mile.
Convert km to miles
Convert kilometers (km) to miles (mi) instantly with accurate results, reverse conversion, and a quick reference table.
Kilometer to Mile formula
Main formula: 1 kilometer = 0.621371192237 mile
Reverse formula: 1 mile = 1.609344 kilometer
Use the swap button to move between both directions without retyping the number.
Kilometer
Definition: A kilometer (symbol: km) is a metric unit of length equal to 1,000 meters.
History/origin: The kilometer is built from the SI prefix "kilo", which means one thousand.
Current use: Kilometers are mainly used for road distances, travel planning, and geographic measurements.
Mile
Definition: A mile (symbol: mi) is a unit of length in the imperial and US customary systems equal to 5,280 feet.
History/origin: The modern mile evolved from older Roman and English distance measures before standardization.
Current use: Miles are widely used for road distances, running events, and longer travel measurements in some countries.
Kilometer to Mile conversion table
| Kilometer [km] | Mile [mi] |
|---|---|
| 0.01 km | 0.0062137119 mi |
| 0.1 km | 0.0621371192 mi |
| 1 km | 0.6213711922 mi |
| 2 km | 1.2427423845 mi |
| 5 km | 3.1068559612 mi |
| 10 km | 6.2137119224 mi |
| 25 km | 15.5342798059 mi |
| 50 km | 31.0685596119 mi |
| 100 km | 62.1371192237 mi |
| 1,000 km | 621.3711922373 mi |
Convert km to miles FAQs
What is 1 kilometer in miles?
1 kilometer is equal to 0.621371192237 miles. This page updates the result instantly when you type a number into the converter box.
What is the reverse conversion from mile to kilometer?
The reverse conversion is also available. 1 mile equals 1.609344 kilometers, and you can use the swap arrows to flip the calculator instantly.
Can this km to miles converter handle decimals and negative values?
Yes. The calculator accepts whole numbers, decimals, and negative values. It also checks for invalid text input and shows a validation message if the entry is not a valid number.
Is this km to miles converter free to use?
Yes. This online converter is free to use and works in the browser. You can convert, clear the fields, and use the swap button without installing anything.