Miles to KM Converter
Convert miles (mi) to kilometers (km) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
Miles to km formula
km = mi × 1.609344
1 mile = 1.61 kilometers · 1 kilometer = 0.6214 miles
To convert miles to kilometers, multiply the value by 1.609344. For example, 5 mi:
km = 5 × 1.609344km = 8.04672
So 5 mi = 8.05 km.
Mental math shortcut
Quick mental estimate: multiply by 1.6. For 5 mi that gives about 8 km — within 1% of the exact answer. Use the exact formula when precision matters.
Miles to km conversion table
km back to Miles
The same values converted the other way, rounded for everyday use:
| Kilometers | Miles |
|---|---|
| 1.61 km | 1 mi |
| 3.22 km | 2 mi |
| 4.83 km | 3 mi |
| 8.05 km | 5 mi |
| 16.09 km | 10 mi |
| 21.08 km | 13.1 mi |
| 32.19 km | 20 mi |
| 42.16 km | 26.2 mi |
About the units
Miles (mi)
A mile is 5,280 feet, or exactly 1,609.344 meters. It is the road-distance unit in the US and UK.
Kilometers (km)
A kilometer is 1,000 meters. It is used for road distances and running races in most of the world.
Frequently asked questions
How many kilometers are in a mile?
One mile equals 1.61 kilometers.
What is 5 Miles in km?
5 mi = 8.05 km.
How do I convert km back to Miles?
Divide the kilometers by 1.609344. Or use the KM to Miles converter.