Miles to Kilometers Converter
Convert distances between miles and kilometers instantly with our accurate and easy-to-use conversion tool. Perfect for runners, drivers, and travelers.
Miles to Kilometers Conversion
Our miles to kilometers converter provides instant, accurate conversions between these two common distance measurements. Whether you’re planning a road trip, tracking your running distance, or working on a project that requires unit conversion, this tool makes it simple.
Conversion Formula
The conversion between miles and kilometers is based on the exact definition that 1 mile equals 1.609344 kilometers. The formulas are:
- Miles to Kilometers: km = mi × 1.609344
- Kilometers to Miles: mi = km ÷ 1.609344
Common Conversions
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609 km |
| 5 mi | 8.047 km |
| 10 mi | 16.093 km |
| 26.2 mi (marathon) | 42.165 km |
| 100 mi | 160.934 km |
Frequently Asked Questions
There are exactly 1.609344 kilometers in one mile.
The United States, Liberia, and Myanmar primarily use miles, while most other countries use kilometers as part of the metric system, which is the international standard for measurements.
Our converter uses the exact conversion factor (1.609344) for maximum accuracy, handling whole numbers, decimals, and fractions with precision.
Practical Uses of Miles to Kilometers Conversion
Understanding miles to kilometers conversion is essential for:
- International travel planning
- Understanding foreign road signs and speed limits
- Interpreting international running or cycling events
- Scientific and engineering calculations
- Converting vehicle fuel efficiency ratings