km to Miles - Kilometers to Miles Converter
Instantly convert Kilometers (km) to Miles (mi). Enter a value below to get the result, or use our reference table and formula for quick calculations.
Kilometers to Miles Formula
To convert km to mi, use this formula:
miles = km × 0.621371
Reverse Conversion
km = miles × 1.60934
km to mi Conversion Table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.6214 |
| 2 | 1.2427 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 21.1 | 13.1109 |
| 42.2 | 26.2219 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 200 | 124.2742 |
| 500 | 310.6855 |
Common Use Cases
🚗 Driving & Navigation — US road signs display distances in miles. Convert km readings from GPS or European maps to miles for US travel.
🏃 Running & Fitness — Race distances like 5K and 10K are in km. Convert to miles to understand equivalent US distances (3.1 mi, 6.2 mi).
✈️ Flight Distances — International flight distances may be in km. Convert to miles for US-based travel planning.
🗺️ Geography & Education — Convert metric distances to miles for easier understanding in US contexts.
Frequently Asked Questions
1 kilometer = 0.621371 miles.
5 × 0.621371 = 3.11 miles.
10 km = 6.21 miles.
Multiply km by 0.6 or divide by 1.6 for a quick estimate.
5K = 3.11 miles.
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