Convert miles to km — Free Miles to Kilometers Calculator
Convert miles to kilometers instantly. Enter any value and get the exact conversion with the formula displayed. Accurate to 4 decimal places.
Last updated: January 2026
Miles to Kilometers Converter
The miles to kilometers conversion formula
To convert miles to kilometers, multiply by 1.60934. The formula is:
For example: 10 miles = 16.0934 km. This formula works for any value you enter in the calculator above.
Common miles to km conversions
| Miles (miles) | Kilometers (km) |
|---|---|
| 1 | 1.6093 |
| 5 | 8.0467 |
| 10 | 16.0934 |
| 20 | 32.1868 |
| 26.2 | 42.1647 |
| 50 | 80.467 |
| 100 | 160.934 |
| 200 | 321.868 |
| 500 | 804.67 |
Use the converter above to calculate any custom value. The result updates instantly as you type.
Why both miles and kilometers are used
Different countries use different measurement systems for historical reasons. The metric system (meters, kilometers, centimeters) is used in most of the world and is the standard in science and international trade. The imperial system (feet, miles, inches) is primarily used in the United States. This means that professions like engineering, construction, aviation, and international shipping regularly need to convert between the two systems. Knowing both and having a reliable conversion tool is essential for cross-border work.
How to use this converter
Simply type a value in either field — the converter instantly calculates the equivalent in the other unit. The conversion formula is shown below the inputs so you can see exactly how the result was calculated. Use the conversion table for quick reference of common values.
Need more conversions? Try the full unit converter which supports length, weight, temperature, volume, speed, area, energy, and pressure conversions all in one page.
Frequently asked questions about miles to km conversion
How do I convert miles to kilometers?
To convert miles to kilometers, multiply by 1.60934. For example, 1 miles × 1.60934 = 1.6093 km.
What is the formula to convert miles to kilometers?
The formula to convert miles to kilometers is: kilometers = miles × 1.60934. Simply multiply the number of miles by 1.60934 to get the equivalent in kilometers.
What is the difference between miles and kilometers?
Miles and kilometers are units of distance or length. Miles are primarily used in the imperial system.
Common miles to km conversions
Common conversions include: 1 miles = 1.61 km, 5 miles = 8.05 km, 10 miles = 16.09 km, 20 miles = 32.19 km, 26.2 miles = 42.16 km, 50 miles = 80.47 km, 100 miles = 160.93 km, 200 miles = 321.87 km. Use the calculator above for any value.