Miles to Kilometers Converter
Convert miles to kilometers using the formula mi × 1.609344 = km. The calculator below shows higher precision results. The reference table is rounded for readability.
Formula and Step-by-Step
Step-by-step: 1 mi to km
- Start with 1 mi
- Multiply by 1.609344: 1 × 1.609344 = 1.61
- Result: 1 mi = 1.61 km
Conversion Table
Common miles to kilometers values. The table and calculator both use the same conversion formula shown above.
How Far Is That in Kilometers?
- 1 mi = a brisk 15-20 minute walk (~1.6 km)
- 5 mi = a solid run (~8 km)
- 13.1 mi = half marathon (~21.1 km)
- 26.2 mi = full marathon (~42.2 km)
- 100 mi = roughly London to Birmingham (~161 km)
Quick Mental Conversion
For a rough estimate, multiply miles by 1.6. For example, 10 mi × 1.6 = 16 km. The exact answer is 16.09 km.
What Are Miles and Kilometers?
What is a Mile?
A mile is a unit of distance equal to 5,280 feet or exactly 1.609344 kilometers. It is used for road distances in the United States and the United Kingdom.
What is a Kilometer?
A kilometer is a metric unit of length equal to 1,000 meters. It is commonly used for road distances and travel measurements in most countries.
Why convert miles to kilometers?
People typically convert miles to kilometers when understanding distances on foreign road signs, maps, and GPS navigation in metric countries.