Convert Kilometers to Miles
1 Kilometer (km) = 0.621371 Miles (mi). Use the free converter below to instantly convert any kilometer value to miles, or view the full conversion table and formula.
1 km = 0.621371 mi
Kilometer to Mile Conversion Table
How to Convert Kilometers to Miles
To convert kilometers to miles, multiply by 0.621371. For example, 10 km × 0.621371 = 6.214 miles. A handy mental trick: divide km by 8 and multiply by 5 (which gives 0.625, close to the actual 0.6214 factor). For example, 40 km ÷ 8 × 5 = 25 miles (actual: 24.855).
Worked Example: Convert 5 km to mi
Start with the value in kilometers
5 km
Apply the formula
miles = 5 × 0.621371
Calculate the result
5 km = 3.1069 mi
Kilometer to Mile Examples
1 km is equal to 0.6214 mi. Using the formula km × 0.621371, 1 km converts to 0.6214 mi.
2 km is equal to 1.2427 mi. Using the formula km × 0.621371, 2 km converts to 1.2427 mi.
3 km is equal to 1.8641 mi. Using the formula km × 0.621371, 3 km converts to 1.8641 mi.
5 km is equal to 3.1069 mi. Using the formula km × 0.621371, 5 km converts to 3.1069 mi.
10 km is equal to 6.2137 mi. Using the formula km × 0.621371, 10 km converts to 6.2137 mi.
15 km is equal to 9.3206 mi. Using the formula km × 0.621371, 15 km converts to 9.3206 mi.
20 km is equal to 12.4274 mi. Using the formula km × 0.621371, 20 km converts to 12.4274 mi.
25 km is equal to 15.5343 mi. Using the formula km × 0.621371, 25 km converts to 15.5343 mi.
Converting Miles to Kilometers
Need the reverse conversion? Use the table below for a quick reference converting miles back to kilometers.
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.25 | 0.4023 |
| 0.5 | 0.8047 |
| 1 | 1.6093 |
| 2 | 3.2187 |
| 3 | 4.828 |
| 5 | 8.0467 |
Kilometers to Miles FAQ
How many miles is 1 km?
1 kilometer equals approximately 0.6214 miles.
What is the km to miles formula?
Multiply the kilometer value by 0.621371 to get miles. Alternatively, divide by 1.60934.
How many km is a marathon?
A marathon is 42.195 kilometers, which equals 26.219 miles.
Understanding Kilometers and Miles
What is a Kilometer (km)?
The kilometer (km) is a unit of length in the metric system. It is commonly abbreviated as km and relates to miles by a factor of 0.621371.
What is a Mile (mi)?
The mile (mi) is a unit of length in the imperial system. It is commonly abbreviated as mi and relates to kilometers by a factor of 1.6093.