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Distance: Enter a value to convert
| Kilometers (km) | Miles |
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Convert kilometers (km) to miles or vice versa effortlessly with this lightweight tool—ideal for travel, running, or everyday distance calculations!
A kilometer (km) is a metric unit equal to 1,000 meters. A mile is an imperial unit equal to approximately 1.60934 kilometers, or 5,280 feet.
The kilometer was introduced with the metric system in France in 1799. The mile originated from the Roman "mille passus" (1,000 paces), standardized in 1593 in England.
Kilometers are used globally for road distances and geography in most countries. Miles are common in the US and UK for driving, aviation, and sports.
Multiply the distance in kilometers by 0.621371. For example, 10 km × 0.621371 = 6.21371 miles.
Yes, it uses the precise conversion factor of 1 km = 0.621371 miles, with results to 5 decimal places for accuracy.
Absolutely! It’s perfect for converting race distances like 5K or 10K between kilometers and miles.