KM/H to Miles per hour Converter
Convert kilometers per hour to miles per hour instantly. Free online calculator.
Quick reference:
1 km/h = 0.6213711922 mph
Tip: You can swap the direction to convert mph → km/h.
About Kilometers per hour and Miles per hour
Kilometers per hour (km/h) 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 per hour (mph) 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/h = 0.6213711922 mph
- 1 mph = 1.609344 km/h
Tip: You can swap the direction if you want to convert mph → km/h.