Mile to Kilometer Converter
Convert Mile (mi) to Kilometer (km) instantly. 1 mi = 1.609344 km.
Length Converter
31 units available
1 mi = 1.609344 km
Formula:
km = mi × 1.609344With your value: 1 mi = 1.609344 km
How big is that?
Everyday references on a logarithmic scale, all expressed in mile so you can sanity-check the result.
Other Mile to Kilometer conversions
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 |
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 |
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.
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
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
How to Convert Mile to Kilometer
To convert from Mile (mi) to Kilometer (km), multiply the value by 1.609344.
Formula: km = mi × 1.609344
Reverse: mi = km × 0.6213711922
Step-by-Step Example
- Start with your value in Mile. For example: 5 mi
- Multiply by the conversion factor: 5 x 1.609344
- The result is: 8.04672 km
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.
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.
Frequently Asked Questions
How many Kilometer are in 1 Mile?
There are exactly 1.609344 Kilometer in 1 Mile. This means the conversion factor from Mile to Kilometer is 1.609344.
What is the formula to convert Mile to Kilometer?
The formula to convert Mile to Kilometer is: km = mi × 1.609344. For example, to convert 10 Mile to Kilometer, you would multiply 10 by 1.609344.
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 is a Kilometer?
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
What are the common uses of Mile?
The Mile is commonly used in road distances (US/UK), running, aviation.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Mile to Kilometer converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/mile-to-kilometer