Length Converter
Convert metric, imperial, navigation, and scientific length units with live results, accurate formulas, and reference tables.
Length conversion
Calculator
Results update instantly. Use Calculate to confirm the current conversion.
Result
1 mi ≈ 1.609344 km
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Popular length conversions
Open a focused converter for a commonly searched length conversion.
Conversion table
Common miles to kilometers values, generated from the selected units.
| miles (mi) | kilometers (km) |
|---|---|
| 1 mile | 1.609344 kilometers |
| 5 miles | 8.04672 kilometers |
| 10 miles | 16.09344 kilometers |
| 20 miles | 32.18688 kilometers |
| 50 miles | 80.4672 kilometers |
| 100 miles | 160.9344 kilometers |
Formula
Multiply the value in miles by 1.609344 to get kilometers.
km = mi × 1.609344Example
Convert 1 mile:
1 mi ≈ 1.609344 km1 mile is approximately 1.609344 kilometers.
Unit information
Concise reference information for the selected source and target units.
Mile (mi)
Imperial- Definition
- One international mile equals exactly 1,609.344 meters.
- Usage
- Used for road and travel distances in the United States and United Kingdom.
Kilometer (km)
Metric- Definition
- One kilometer equals exactly 1,000 meters.
- Usage
- Used for road distances, geography, travel, and outdoor sports.
Frequently asked questions
Which length units does this converter support?
The converter supports 14 units: millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, nautical miles, micrometers, nanometers, light years, astronomical units, and parsecs.
How does the length converter calculate results?
Each value is converted to meters as a shared base unit, then converted from meters to the selected target unit.
Can the converter handle decimals, negative values, and zero?
Yes. The input accepts integers, decimals, negative values, and zero, and updates the result immediately.