Kilometers to Miles (km to mi) Converter
1 kilometer = 0.621371 miles. Enter any distance in kilometers to get the miles equivalent.
Formula:1 km = 0.621371 mi
⇄ Switch to Miles To KilometersKilometer to Mile — common values
1 km0.621371 mi
5 km3.106856 mi
10 km6.2137119 mi
50 km31.06856 mi
100 km62.137119 mi
500 km310.6856 mi
1,000 km621.37119 mi
How to convert Kilometers To Miles
To convert kilometers to miles, use the formula: 1 km = 0.621371 mi. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Miles To Kilometers” link to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.
Frequently Asked Questions
What is the formula to convert Kilometers To Miles?
1 km = 0.621371 mi. 1 kilometer = 0.621371 miles. Enter any distance in kilometers to get the miles equivalent.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Miles To Kilometers?
Use the Miles To Kilometers converter or click the ⇄ switch button above.
More Length conversions
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The full converter supports all unit combinations