Kilometer to Mile Converter
Convert Kilometer (km) to Mile (mi) instantly. 1 km = 0.621371 mi.
Length Converter
31 units available
1 km = 0.621371 mi
Formula:
mi = km × 0.6213711922With your value: 1 km = 0.62137119 mi
How big is that?
Everyday references on a logarithmic scale, all expressed in kilometer so you can sanity-check the result.
Other Kilometer to Mile conversions
Kilometer to Mile Conversion Table
| Kilometer (km) | Mile (mi) |
|---|---|
| 0.5 | 0.310686 |
| 1 | 0.621371 |
| 2 | 1.242742 |
| 5 | 3.106856 |
| 10 | 6.213712 |
| 15 | 9.320568 |
| 20 | 12.427424 |
| 25 | 15.53428 |
| 50 | 31.06856 |
| 100 | 62.137119 |
| 250 | 155.342798 |
| 500 | 310.685596 |
| 1000 | 621.371192 |
Mile to Kilometer Conversion Table
| Mile (mi) | Kilometer (km) |
|---|---|
| 0.5 | 0.804672 |
| 1 | 1.609344 |
| 2 | 3.218688 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 15 | 24.14016 |
| 20 | 32.18688 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1000 | 1,609.344 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Kilometer (km)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Mile (mi)
Length
1 statute mile = 1760 international yards = 1609.344 m exactly.
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
How to Convert Kilometer to Mile
To convert from Kilometer (km) to Mile (mi), multiply the value by 0.6213711922.
Formula: mi = km × 0.6213711922
Reverse: km = mi × 1.609344
Step-by-Step Example
- Start with your value in Kilometer. For example: 5 km
- Multiply by the conversion factor: 5 x 0.6213711922
- The result is: 3.106856 mi
About Kilometer
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
Fun Fact: The circumference of Earth is approximately 40,075 km.
Common uses: road distances, geography, running.
About Mile
The mile is an imperial unit of length equal to 5,280 feet or 1,609.344 meters. It is primarily used in the United States, United Kingdom, and a few other countries.
Fun Fact: The word "mile" comes from the Latin "mille passus" meaning 1,000 paces.
Common uses: road distances (US/UK), running, aviation.
Frequently Asked Questions
How many Mile are in 1 Kilometer?
There are exactly 0.6213711922 Mile in 1 Kilometer. This means the conversion factor from Kilometer to Mile is 0.6213711922.
What is the formula to convert Kilometer to Mile?
The formula to convert Kilometer to Mile is: mi = km × 0.6213711922. For example, to convert 10 Kilometer to Mile, you would multiply 10 by 0.6213711922.
What is a Kilometer?
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
What is a Mile?
The mile is an imperial unit of length equal to 5,280 feet or 1,609.344 meters. It is primarily used in the United States, United Kingdom, and a few other countries.
What are the common uses of Kilometer?
The Kilometer is commonly used in road distances, geography, running.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Kilometer to Mile converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilometer-to-mile