km to miles
Common values
| From (km) | To (mi) |
|---|---|
| 0 | 0.000 |
| 0.2 | 0.124 |
| 0.4 | 0.249 |
| 0.6 | 0.373 |
| 0.8 | 0.497 |
| 1 | 0.621 |
| 1.2 | 0.746 |
| 1.4 | 0.870 |
| 1.6 | 0.994 |
| 1.8 | 1.118 |
| 2 | 1.243 |
One kilometer equals 0.62137 miles. Multiply your km value by 0.621 to convert to miles.
Formula: miles = km × 0.62137
A quick mental trick: multiply by 5 and divide by 8 (since 8 km ≈ 5 miles).
- 1 km = 0.621 miles
- 10 km = 6.21 miles (common 10K race)
- 42.195 km = 26.22 miles (marathon distance)
- 100 km = 62.14 miles
International visitors to the US need km-to-miles conversion since all US road signs and speed limits are in miles. GPS apps often default to the unit system of the phone's country. Maps from Canada show distances in km, while US maps show miles. Running events in the US often list both distances.
The US highway system uses miles — Route 66 runs 2,448 miles (3,940 km). Car odometers in the US show miles. Gas mileage (mpg) is the US standard vs. L/100 km in metric countries. The only US road signs using km are near Canadian border crossings in some states.
Frequently asked questions
- How many miles is 5 km?
- 5 km = 3.11 miles.
- What is 100 km in miles?
- 100 km = 62.14 miles.
- How long is a 10K in miles?
- A 10K race is 10 km = 6.21 miles.
Related converters: Unit converter