Kilometers to Miles Converter

1. How many Kilometers in a Mile?
2. Difference between Kilometers and Miles
3. How to convert Kilometers to Miles?
4. km to miles conversion table

    How many Kilometers in a Mile?

There are 1.609344 kilometers in a mile. This follows from the definition of a mile as 5280 feet, the definition of a feet as 0.3044 meters, and the definition of a kilometer as 1,000 meters. These are internationally agreed upon unit definitions that were established by a treaty signed in 1959.

You can easily verify it using our km to mi converter above. The internationally recognized symbol for kilometer is "km", and "mi" for mile.

    Difference between Kilometers and Miles

Both kilometers and miles are units for measuring distances and they are of comparable magnitude so using a kilometer to mile converter often makes a lot of sense. The difference between them is that the mile is a part of the imperial unit system, used in several countries like the United States and the United Kingdom, while the kilometer is a unit from the metric system.

While the kilometer is a modern unit, the mile has a long history, dating back at least far as the Romans. The Roman mile was 5,000 long, and there were other miles like the English mile, Irish mile, Italian mile, etc. that corresponded to different distance in different time periods and locations.

    How to convert Kilometers to Miles?

To convert from kilometers to miles, divide the measurement in km by 1.609344 to get the equivalent in miles. This unit conversion is usually done with the help of a calculator. Our online converter above will be of great assistance, as it is easy to use, has a quick copy button to copy the result to your clipboard for later use.

Km to Miles conversion example

Sample task: convert 10 kilometers to miles. Solution:

Formula:
km / 1.609344 = miles
Calculation:
10 km / 1.6093 = 6.213712 miles
End result:
10 km is equal to 6.213712 miles

Km to Miles conversion

Sample task: convert 650 kilometers to miles. Problem solution:

Formula:
km / 1.609344 = miles
Calculation:
650 km / 1.6093 = 403.891275 miles
End result:
650 km is equal to 403.891275 miles

So 650 km is just over 400 miles or roughly equal to 404 miles with accuracy to a whole mile.

    km to miles conversion table

To use the table, simply look up the number in kilometers in the left column and move to the adjacent cell in the right column to see its equivalent in miles. For example, if you want to to know how much is 2 km in miles, looking up in the table shows that 2 km is equal to 1¼ miles (one and a quarter miles).