Kilometers per Hour to Miles per Hour Converter
How to Convert KM/H to MPH
1 km/h = 0.621371 mph.
Formula
MPH = KM/H × 0.621371
About Kilometers per Hour and Miles per Hour
Kilometers per hour (km/h) and miles per hour (mph) are units used to measure speed. Kilometers per hour is part of the metric system and is commonly used in most countries around the world for speed limits and vehicle speed measurements.
Miles per hour is part of the imperial measurement system and is mainly used in countries such as the United States and the United Kingdom. It is commonly seen on road signs, vehicle speedometers, and transportation systems in those countries.
Kilometers per Hour to Miles per Hour Conversion Formula
The formula used to convert kilometers per hour to miles per hour is:
Miles per hour = Kilometers per hour × 0.621371
km/h to mph Conversion Table
| km/h | mph |
|---|---|
| 10 km/h | 6.21 mph |
| 20 km/h | 12.43 mph |
| 40 km/h | 24.85 mph |
| 60 km/h | 37.28 mph |
| 80 km/h | 49.71 mph |
| 100 km/h | 62.14 mph |
Example
If a vehicle travels at 100 km/h, its speed in miles per hour is approximately 62.14 mph. Similarly, a speed of 60 km/h equals about 37.28 mph. These conversions are helpful when comparing speed limits between countries that use different measurement systems.
Frequently Asked Questions
How many mph is 1 km/h?
1 kilometer per hour equals approximately 0.621 mph.
Which countries use mph?
The United States and the United Kingdom commonly use miles per hour for speed measurements.
Why convert km/h to mph?
Speed conversion is useful when traveling internationally or comparing vehicle speeds in different countries.
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