Kilometers to miles
Convert easily from kilometers (km) to miles (mi) with our fast and reliable converter. You’ll get instant results, and understand how kilometers translate into miles.
1 km = 0.621371 mi
Formula
The formula shows you how to convert kilometers (km) to miles (mi) using the exact conversion factor, which will help you do the conversion manually.
Conversion formula: mi = km ÷ 1.609344
Scientific basis: This relationship is based on the exact definition of the mile, where 1 mile is defined as exactly 1.609344 kilometers.
Equivalent value: 1 km ≈ 0.621371192 mi
Example: 5 km = 5 ÷ 1.609344 = 3.10685596 mi
Explanation: To convert kilometers to miles, divide by 1.609344. This value comes directly from the exact definition of the mile in terms of kilometers. The converter uses this exact value without rounding.
Table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621371192 mi |
| 2 km | 1.242742384 mi |
| 3 km | 1.864113576 mi |
| 4 km | 2.485484768 mi |
| 5 km | 3.106855961 mi |
| 10 km | 6.213711922 mi |
| 25 km | 15.534279805 mi |
| 50 km | 31.068559611 mi |
| 75 km | 46.602839416 mi |
| 100 km | 62.137119223 mi |
| 1,000 km | 621.371192237 mi |
FAQ
What is kilometers?
A kilometer is a unit of length in the metric system (SI). The prefix kilo (k) means one thousand times the base unit, defining one kilometer as exactly 1,000 meters.
What is miles?
A mile is a unit of length in both the imperial and US customary system, primarily used in the United States and the United Kingdom. One mile is defined as exactly 1.609344 kilometers, and equal to 1,760 yards or 5,280 feet.
What is the abbreviation for kilometers?
The standard abbreviation for kilometers is km.
How to convert from kilometers to miles?
To convert kilometers to miles, divide the number of kilometers by 1.609344.
Example: 25 km ÷ 1.609344 = 15.5342798 mi
How many miles is there in 1 kilometers?
There are 0.621371 miles in 1 kilometer, when rounded to six decimal places.