Miles per Hour to Kilometers per Hour Converter
How to Convert MPH to KMH
1 mph = 1.60934 km/h.
Formula
KM/H = MPH × 1.60934
About Miles per Hour and Kilometers per Hour
Miles per hour (mph) and kilometers per hour (km/h) are commonly used units for measuring speed. Miles per hour is widely used in the United States and the United Kingdom to indicate vehicle speed and road speed limits.
Kilometers per hour is part of the metric system and is used in most countries around the world. Road signs, speedometers, and traffic regulations in many countries display speed using kilometers per hour.
Miles per Hour to Kilometers per Hour Conversion Formula
The formula used to convert miles per hour to kilometers per hour is:
Kilometers per hour = Miles per hour × 1.60934
mph to km/h Conversion Table
| mph | km/h |
|---|---|
| 10 mph | 16.09 km/h |
| 20 mph | 32.19 km/h |
| 40 mph | 64.37 km/h |
| 60 mph | 96.56 km/h |
| 80 mph | 128.75 km/h |
| 100 mph | 160.93 km/h |
Example
If a car travels at 60 mph, its speed in kilometers per hour is approximately 96.56 km/h. Similarly, a speed of 100 mph equals about 160.93 km/h. These conversions help drivers understand speed limits when traveling between countries that use different measurement systems.
Frequently Asked Questions
How many km/h is 1 mph?
1 mile per hour equals approximately 1.609 kilometers per hour.
Which countries use mph?
The United States and the United Kingdom commonly use miles per hour for speed measurements.
Why convert mph to km/h?
Speed conversions help drivers understand road speed limits when traveling internationally.
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