Mile to Kilometer
Convert Mile to Kilometer instantly. Free online astronomy unit converter with exact formula, conversion table and FAQ.
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Formula
kilometer = mile × 1.609344
mile = kilometer × 0.6213711922
Conversion table
| 1 mi | 1.609344 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 20 mi | 32.18688 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 500 mi | 804.672 km |
| 1,000 mi | 1609.344 km |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the mile (mi). A statute mile is exactly 1,609.344 meters.
What is the destination unit in this conversion?
The destination unit is the kilometer (km). A kilometer is a metric unit of length equal to 1,000 meters.
How do I convert mile to kilometer?
Multiply the mile value by 1.609344. For example, 10 mi × 1.609344 = 16.09344 km.
Is the mile to kilometer 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 mile needs to be compared with, or reported in, kilometer.
Can I convert kilometer back to mile?
Yes. Multiply the kilometer value by 0.6213711922 to get mile.
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About this conversion
This page converts mile (mi) to kilometer (km) within the astronomy converter.
A statute mile is exactly 1,609.344 meters.
A kilometer is a metric unit of length equal to 1,000 meters.
The formula is kilometer = mile × 1.609344, 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 mile values already converted to kilometer.