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Mile to Kilometer Converter

Convert Mile (mi) to Kilometer (km) instantly. Free online length conversion tool.

1 mi

1.609344 km

1 km = 0.621371 mi

Mile to Kilometer Conversion Table

Mile (mi)Kilometer (km)
1 mi1.6093 km
5 mi8.0467 km
10 mi16.0934 km
25 mi40.2336 km
50 mi80.4672 km
100 mi160.9344 km
250 mi402.336 km
500 mi804.672 km
1000 mi1609.344 km

How to Convert Mile to Kilometer

To convert Mile (mi) to Kilometer (km), multiply the value by the conversion factor. 1 mi = 1.609344 km.

Use our free online converter above for instant, accurate results. No signup required.

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Mile to Kilometer — FAQ

How accurate is the Mile to Kilometer conversion?

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The conversion uses an exact or high-precision factor sourced from international standards (BIPM/NIST). Results are computed with 64-bit floating-point arithmetic and displayed to up to 10 significant figures to minimize rounding errors for all practical purposes.

Can I convert multiple values at once?

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The conversion table above shows common values automatically. For bulk conversions, use the interactive length converter where you can type any value and see the result instantly. The converter supports all units in the length category, not just mi and km.

Is this converter free to use?

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Yes. This converter is completely free with no account or sign-up required. It runs entirely in your browser and works on desktop, tablet, and mobile devices.

Where does the conversion factor between mi and km come from?

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Conversion factors are sourced from definitions published by the International Bureau of Weights and Measures (BIPM) and the US National Institute of Standards and Technology (NIST). Many factors are exact treaty definitions, such as the inch being defined as exactly 2.54 centimeters.

What other length units can I convert?

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The Length converter supports all common units in this category. Use the interactive converter to explore all available units and switch between any pair instantly.