How to use the kilometers to miles converter
Enter kilometers and divide by 1.609344 to convert to miles.
Kilometers to miles
The conversion is based on the exact international mile definition of 1,609.344 meters.
Example: Charlotte converts a 10K run
Charlotte signs up for a 10-kilometer run. Dividing 10 by 1.609344 gives approximately 6.213712 miles.
The result converts distance only. It does not estimate travel time; that would also require a speed or pace.
How to convert kilometers to miles
Divide kilometers by 1.609344, or multiply by approximately 0.6213711922, to convert kilometers to miles. The relationship is derived from the exact international mile definition.
For travel and fitness distances, two decimal places is often practical. Keep more digits only when the source measurement justifies the precision.
Common kilometers-to-miles conversions
1 km
About 0.6214 mile.
5 km
About 3.11 miles.
10 km
About 6.21 miles.
42.195 km
About 26.22 miles.
Assumptions and limitations
What the estimate assumes
Displayed decimals may be rounded.
Sources and reference material
Kilometers to Miles Converter FAQs
How many miles are in one kilometer?
About 0.621371 mile.
What is 5 kilometers in miles?
About 3.11 miles.
What is 100 kilometers in miles?
About 62.14 miles.
Does the converter show feet?
Yes, as an additional reference.
How many miles is a 5K?
Five kilometers is approximately 3.11 miles.
Exact unit conversion; displayed decimals may be rounded for readability.