Kilometer to Mile
Convert Kilometer to Mile instantly. Free online astronomy unit converter with exact formula, conversion table and FAQ.
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Formula
mile = kilometer × 0.6213711922
kilometer = mile × 1.609344
Conversion table
| 1 km | 0.6213711922 mi |
| 5 km | 3.106855961 mi |
| 10 km | 6.213711922 mi |
| 20 km | 12.42742384 mi |
| 50 km | 31.06855961 mi |
| 100 km | 62.13711922 mi |
| 500 km | 310.6855961 mi |
| 1,000 km | 621.3711922 mi |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the kilometer (km). A kilometer is a metric unit of length equal to 1,000 meters.
What is the destination unit in this conversion?
The destination unit is the mile (mi). A statute mile is exactly 1,609.344 meters.
How do I convert kilometer to mile?
Multiply the kilometer value by 0.6213711922. For example, 10 km × 0.6213711922 = 6.213711922 mi.
Is the kilometer to mile conversion exact?
Yes. Both units have a fixed, defined relationship to the astronomy converter's distance base unit, so the conversion factor is exact rather than a measured approximation.
Where is this conversion commonly used?
It's used in astronomy, physics, and space science whenever a distance value expressed in kilometer needs to be compared with, or reported in, mile.
Can I convert mile back to kilometer?
Yes. Multiply the mile value by 1.609344 to get kilometer.
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About this conversion
This page converts kilometer (km) to mile (mi) within the astronomy converter.
A kilometer is a metric unit of length equal to 1,000 meters.
A statute mile is exactly 1,609.344 meters.
The formula is mile = kilometer × 0.6213711922, based on each unit's fixed relationship to the astronomy converter's distance base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common kilometer values already converted to mile.