Answered from cited sources · retrieved September 20, 2026
how to convert miles to kilometers
To convert miles to kilometers, multiply the number of miles by 1.609344.
To convert miles to kilometers, multiply the number of miles by the conversion factor of 1.609344. For example, 5 miles multiplied by 1.609344 equals 8.04672 kilometers. For quick mental estimates, you can multiply the miles by 1.6 or use the 5:8 ratio, where 5 miles is approximately 8 kilometers. Always use the exact factor of 1.609344 for precise calculations.
- Exact Formula. The precise formula is: Kilometers = Miles × 1.609344.
- Mental Estimation. For quick mental math, you can multiply the miles by 1.6 or use the 5:8 ratio, where 5 miles is roughly equal to 8 kilometers.
- Types of Miles. Statute miles, which are used for roads and race courses, use the 1.609344 conversion factor. Nautical miles, used in aviation and shipping, are different and equal 1.852 kilometers.
Sources
- Miles to Kilometers Converter (mi → km)worldometers.info
- 1 miles to km conversionrapidtables.com
- Convert miles to kmunitconverters.net
- Convert miles to kmunit-convert.com
- Convert Miles to Kilometers - Accurate Mile to KM Calculator | Mile Convertermileconverter.com
- Miles to Kilometers Converter · Free (2026) · Toolitatoolita.com · published May 23, 2026
- What Is Miles to Km Formula? Examplescuemath.com
- Miles to Kilometers Converter - Convert mi to km Onlinetoolsbox.io
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