/convert/kilometers-to-miles/ Convert kilometers to miles instantly. Enter any value and get the result. Includes a conversion table and the exact formula. article Kilometers to Miles Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
📏 Length

Kilometers to Miles Converter

Convert kilometers to miles instantly. Enter any value and get the result. Includes a conversion table and the exact formula.

Quick answer: To convert kilometers to miles, multiply by 0.621371. For example, 1 kilometers = 0.621371 miles. Use the calculator below for any value.
kilometers to miles
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Common conversions
Kilometers Miles
Formula:

How to convert kilometers to miles

1

Enter your value

Type the number of kilometers you want to convert into the left box. The result in miles appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Miles to Kilometers. Your current value carries across so you don't have to re-enter anything.

3

About Kilometers and Miles

Kilometers are used in most countries. One km equals 0.621 miles. Common for road signs outside the UK/US.

💡 Did you know?

1 km = 0.621 miles. Marathon distance is 42.195 km = 26.219 miles. The 0.219 miles excess over 26 miles is from the marathon's 1908 London Olympic standardisation — it was extended so the finish line would be in front of the royal box.

📊 Common conversions at a glance
Kilometers Miles
1 0.6214
2 1.243
3 1.864
5 3.107
10 6.214
21.1 13.11
Reviewed for 2026. Kilometers ↔ Miles conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.