Convert miles to km
Enter the value to convert from mile to kilometer.
How to Convert Mile to Kilometer
Converting mile to kilometer is straightforward using our conversion calculator.
Conversion Formula
km = mi × 1.609344Reverse conversion: Convert km to miles
Comparison: Mile vs Kilometer
When to Use Each Unit
Mile: Primary distance unit in the United States and some Commonwealth countries for road travel and geographic distances.
Kilometer: Standard unit for road distances, geographic measurements, and travel distances worldwide except in countries using miles.
Common Conversion Values
- 1 mi = 5,280 ft
- 1 mi ≈ 1.609 km
- 1 mi = 1,760 yd
- 1 mi ≈ 0.869 nmi
About Mile
Definition: The mile (symbol: mi) is an imperial unit equal to 5,280 feet or approximately 1.609 kilometers.
History: Derived from Roman "mille passus" (thousand paces). Standardized in 1593 in England as 5,280 feet.
Current Use: Primary distance unit in the United States and some Commonwealth countries for road travel and geographic distances.
Examples: Road distances: 1-1000 miles, running: 5K = 3.1 miles, city size: 5-50 miles across, state width: 100-1000 miles
About Kilometer
Definition: The kilometer (symbol: km) is a unit of length equal to one thousand meters. Primary unit for measuring longer distances on Earth.
History: Introduced with the metric system to replace traditional long-distance units like leagues and miles in metric countries.
Current Use: Standard unit for road distances, geographic measurements, and travel distances worldwide except in countries using miles.
Examples: City distances: 5-50km, marathon: 42.2km, country sizes: hundreds to thousands of km