Kilometer per hour to Mile per hourConverter
Instantly convert Kilometer per hour (km/h) to Mile per hour (mph). Free, accurate, and easy to use.
How to Convert Kilometer per hour to Mile per hour
To convert Kilometer per hour (km/h) to Mile per hour (mph), multiply your value by 0.62137169.
Example: 5 km/h × 0.62137169 = 3.10685845 mph
What is a Kilometer per hour?
The kilometer per hour (km/h) is the most widely used unit for road vehicle speeds outside the United States. Equal to 1/3.6 meters per second, it is used for speed limits, railway timetables, and meteorological wind speeds in metric countries. Typical urban speed limits are 50 km/h, while highway limits range from 100 to 130 km/h. One km/h equals approximately 0.621 miles per hour.
What is a Mile per hour?
The mile per hour (mph) is the standard speed unit in the United States, United Kingdom, and a few other territories. Equal to approximately 1.609 km/h or 0.447 m/s, it appears on road signs, vehicle speedometers, and weather reports. US interstate highway speed limits are typically 65–75 mph. A commercial airliner cruises at roughly 550–600 mph (880–965 km/h) at altitude.
Kilometer per hour to Mile per hour Conversion Table
| Kilometer per hour (km/h) | Mile per hour (mph) |
|---|---|
| 0.001 km/h | 0.00062137 mph |
| 0.01 km/h | 0.00621372 mph |
| 0.1 km/h | 0.06213717 mph |
| 0.5 km/h | 0.31068584 mph |
| 1 km/h | 0.62137169 mph |
| 2 km/h | 1.24274338 mph |
| 5 km/h | 3.10685845 mph |
| 10 km/h | 6.21371689 mph |
| 20 km/h | 12.42743379 mph |
| 50 km/h | 31.06858447 mph |
| 100 km/h | 62.13716893 mph |
| 200 km/h | 124.27433787 mph |
| 500 km/h | 310.68584467 mph |
| 1000 km/h | 621.37168933 mph |
| 5000 km/h | 3106.85844667 mph |
| 10000 km/h | 6213.71689334 mph |
| 50000 km/h | 31068.58446671 mph |
| 100000 km/h | 62137.16893343 mph |
| 1000000 km/h | 621371.68933429 mph |
| 1000000000 km/h | 621371689.3342878 mph |
Frequently Asked Questions
How do I convert Kilometer per hour to Mile per hour?
Multiply the Kilometer per hour value by 0.62137169. Formula: mph = km/h × 0.62137169. Example: 10 km/h = 6.21371689 mph.
How many Mile per hour are in one Kilometer per hour?
One Kilometer per hour (km/h) equals 0.62137169 Mile per hour (mph).
How many Kilometer per hour are in one Mile per hour?
One Mile per hour (mph) equals 1.60934271 Kilometer per hour (km/h).
What is the exact conversion factor from Kilometer per hour to Mile per hour?
The conversion factor is 0.62137169. Multiply any km/h value by this number to get mph. For the reverse, multiply by 1.60934271.
How do I convert Mile per hour back to Kilometer per hour?
Divide by 0.62137169, or equivalently multiply by 1.60934271. Formula: km/h = mph ÷ 0.62137169.
Is the Kilometer per hour-to-Mile per hour conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 0.62137169 is exact and universally agreed upon.