Convert miles to km
Enter the number of miles that you want to convert to kilometers.
How to Convert Miles to Kilometers
The mile and kilometer are both units of length. By definition, 1 mile equals exactly 1.609344 kilometers. This means to convert miles to kilometers, you multiply by 1.609344.
Formula
Step-by-Step Example
Convert 5 mi to kilometers:
We need to convert miles to kilometers
Since 1 mi = 1.609344 km, multiply by 1.609344
5 × 1.609344 = 8.04672
5 mi = 8.04672 km
Mile to Kilometer Conversion Table
Quick reference table for common mile to kilometer conversions. Click any value for detailed calculation.
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 15 mi | 24.14016 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
About These Units
Mile (mi)
A mile (mi) is an imperial unit equal to 5,280 feet, 1,760 yards, or 1.609344 kilometers. Miles measure road distances and speed limits in the United States and United Kingdom. Common conversions: 1 mile = 1.609 km, 1 km = 0.621 miles. A marathon is 26.2 miles.
Kilometer (km)
A kilometer (km) is a metric unit of length equal to 1,000 meters or approximately 0.621 miles. Kilometers are the standard unit for measuring road distances, running races, and geographic distances in most countries worldwide. Common conversions: 1 km = 0.621 miles, 1 mile = 1.609 km.
Frequently Asked Questions
How do I convert miles to kilometers?
To convert miles to kilometers, multiply the value by 1.609344. For example, 10 mi = 16.09344 km.
How many kilometers are in 1 mile?
1 mile equals 1.609344 kilometers.
What is the formula for miles to kilometers?
The formula is: km = mi × 1.609344.