Kilometers to Miles Converter
Convert kilometers (km) to miles (mi) as you type — 1 km = 0.621371 mi. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — kilometers are already selected.
- The result in miles appears instantly. Change either unit to convert to anything else in length.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 km to mi
1 kmmi = 1 ÷ 1.609344 = 0.621371 miCommon use cases
- Converting heights, room dimensions and furniture sizes between metric and imperial.
- Running, cycling and driving distances in km and miles.
- Engineering drawings and 3D printing that mix millimeters and inches.
Kilometers to Miles conversion table
| Kilometer (km) | Mile (mi) |
|---|---|
| 0.1 km | 0.062137 mi |
| 0.5 km | 0.310686 mi |
| 1 km | 0.621371 mi |
| 2 km | 1.242742 mi |
| 3 km | 1.864114 mi |
| 4 km | 2.485485 mi |
| 5 km | 3.106856 mi |
| 10 km | 6.213712 mi |
| 15 km | 9.320568 mi |
| Kilometer (km) | Mile (mi) |
|---|---|
| 20 km | 12.427424 mi |
| 25 km | 15.53428 mi |
| 50 km | 31.06856 mi |
| 75 km | 46.602839 mi |
| 100 km | 62.137119 mi |
| 250 km | 155.342798 mi |
| 500 km | 310.685596 mi |
| 1,000 km | 621.371192 mi |
Values rounded to 6 decimal places.
Related conversions
The units
- Kilometer (km)
- 1,000 m. Part of the Metric system.
- Mile (mi)
- 5,280 ft = exactly 1,609.344 m. Part of the US customary system.
How to convert kilometers to miles
Road distances and race lengths: a 5K run is about 3.1 miles, a marathon (42.195 km) is about 26.2 miles.
To convert kilometers to miles, use mi = km ÷ 1.609344. One kilometer equals 0.621371 miles, and one mile equals 1.609344 kilometers.
Kilometer (km): 1,000 m. Mile (mi): 5,280 ft = exactly 1,609.344 m.
For the opposite direction, use the Miles to kilometers converter. All length units are on the length converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many miles are in a kilometer?
1 km = 0.621371 mi. Multiply kilometers by 0.6213711922 (or use mi = km ÷ 1.609344).
How do I convert kilometers to miles?
Use mi = km ÷ 1.609344. For example, 1 km = 0.6214 mi and 10 km = 6.2137 mi.
How many feet are in a meter?
1 meter = 3.28084 feet (exactly 1 ÷ 0.3048). One foot is exactly 0.3048 m.
Is a mile the same as a nautical mile?
No. A statute mile is 1,609.344 m; a nautical mile is 1,852 m — about 15% longer.