📏 Length
km to miles Converter
Convert km to miles instantly with a reference conversion table.
Quick answer: To convert km to miles, multiply by 0.621371. For example, 1 km = 0.621371 miles. Use the calculator below for any value.
km to miles
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Common conversions
| km | miles |
|---|
Formula:
How to convert km to miles
1
Enter your value
Type the number of km 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 km. Your current value carries across so you don't have to re-enter anything.
3
About km and miles
km and miles are common length measurements.
💡 Did you know?
1 km ≈ 0.621 miles. A common shortcut: half the kilometres and add 10% — close enough for road trips. 100 km ≈ 62 miles (exact 62.137).
📊 Common conversions at a glance
| km | miles |
|---|---|
| 0.1 | 0.06214 |
| 0.5 | 0.3107 |
| 1 | 0.6214 |
| 2 | 1.243 |
| 5 | 3.107 |
| 10 | 6.214 |
Reviewed for 2026. km ↔ 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.