Kilometers to Miles

This calculator converts kilometers to miles for travelers, drivers, runners, and anyone more familiar with imperial distances.

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Enter the distance in kilometers, including decimals if needed, and the calculator returns the equivalent distance in miles.

Multiply kilometers by 0.6213711922. Formula: miles = kilometers × 0.6213711922.

Worked example

A 10-kilometer race is 10 × 0.6213711922 = 6.2137 miles. Rounded to two decimal places, that is 6.21 miles.

One kilometer is about 0.621371 miles. A rough mental shortcut is to multiply kilometers by 0.62.

Not exactly. Five kilometers equals about 3.1069 miles, which is commonly rounded to 3.1 miles.