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Unit Converters

Length, weight, temperature, area, volume, speed, data size and time, with the exact factors shown. 25 converters across 8 kinds of measurement. Every factor is exact by definition where a definition exists, and each page shows the factor, a quick table and the source.

Try it now: Miles to Kilometers Converter

Length converter
Type an amount. Use the tabs to switch direction.
mi
Result: Kilometers
16.09344kilometers
1 mi = 1.609344 km
Also equals
16,093.44 m
Meters
52,800 ft
Feet
17,600 yd
Yards

Tip: Results show up to 8 significant digits. The factors and their sources are listed on the "Where our numbers come from" page.

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Length converters

Weight converters

Temperature converters

Area converters

Volume converters

Speed converters

Data size converters

Time converters

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