Kilometers to miles (km to mi)
A kilometer is about 0.62 miles, so multiplying by 0.6 gets you close and multiplying by 5/8 gets you closer. 100 km/h speed limits are just over 62 mph, and a 10K race is 6.2 miles.
km to mi conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.62 |
| 5 | 3.11 |
| 10 | 6.21 |
| 21.1 | 13.11 |
| 42.2 | 26.22 |
| 50 | 31.07 |
| 100 | 62.14 |
| 300 | 186.41 |
| 1,000 | 621.37 |
How to convert kilometers to miles
The formula is miles = kilometers x 0.621371. Type any value into the converter above for
an exact result, or use the table for the most common conversions. For other units, the
full length converter handles every combination, and
the unit converter covers length, weight, temperature,
speed, area, volume and data in one place.
Frequently asked questions
How many miles are in 1 kilometer?
1 km = 0.621371 mi. The formula is miles = kilometers x 0.621371; the converter applies it to whatever you type and rounds only for display.
What is 42.2 km in mi?
42.2 km = 26.22 mi, using miles = kilometers x 0.621371.
How do I convert miles back to kilometers?
Use kilometers = miles x 1.60934. For example, 13.1 mi = 21.08 km. The mi to km converter does this for you.