Convert Miles to KM (mi to km)
Convert miles to km instantly. 1 mi = 1.609344 km. Free miles-to-km converter with table and formula.
This miles to km converter gives you exact results as you type. One mile equals 1.609344 kilometers (1 mi = 1.609344 km). It works offline once loaded and never sends your data anywhere.
The international mile is defined as exactly 1,609.344 meters, used for road distances in the US and UK. Conversions like this one matter in distance and length measurements in engineering, construction, travel, and everyday use. It bridges the imperial/US customary system and the metric system, which is why this conversion comes up so often. Kilometers are the standard unit for road distances in most countries outside the United States.
1,609.3441.609344160,934.41,609,34411,7605,28063,360Conversion formula
kilometers = miles × 1.609344Conversion table
| Value | Converted |
|---|---|
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
Frequently Asked Questions
How many kilometers are in a mile?
1 mi = 1.609344 km. So 10 miles equal 16.09344 kilometers.
How do you convert miles to kilometers manually?
Multiply the number of miles by 1.609344: kilometers = miles × 1.609344. For example, 10 mi × 1.609344 = 16.09344 km.
Is the miles to km conversion exact?
Yes — both units have exact definitions, so the conversion itself is exact. The factor 1.609344 shown here is rounded for readability; the converter computes with full precision.
Is this miles to km converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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