1 kilometer in miles

Conversion

1 kilometer is equivalent to 0.621371192237334 miles.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 mile is equal to 1.609344 times 1 kilometer.

It can also be expressed as: 1 kilometer is equal to $\frac{1}{1.609344}$ miles.

Approximation

An approximate numerical result would be: one kilometer is about zero point six two miles, or alternatively, a mile is about one point six one times one kilometer.

Units involved

This is how the units in this conversion are defined:

Kilometers

The kilometre or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo being the SI prefix for 1000). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the road network of the United Kingdom where the statute mile is the official unit used.

Wikipedia page of kilometers

Miles

The mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.

Wikipedia page of miles

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.