KM to Miles Converter
Convert kilometers to miles instantly. Free online calculator.
Quick reference:
1 km = 0.6213711922 mi
Tip: You can swap the direction to convert mi → km.
About Kilometers and Miles
Kilometers (km) is a unit of length in the metric system. It is commonly used for everyday measurements such as body height, fabric, furniture, and small distances.
Miles (mi) is a unit of length in the imperial/US customary system. It is widely used in the United States and in many industries (construction, screens, tools) where inches are standard.
Conversion formulas
- 1 km = 0.6213711922 mi
- 1 mi = 1.609344 km
Tip: You can swap the direction if you want to convert mi → km.