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What does Kilometres per Hour (km/h) mean?
Kilometres per hour (km/h or kph) is a unit of speed expressing the number of kilometres travelled in one hour. It is the most commonly used speed measurement in countries that use the metric system for transport, including road traffic speeds, and is used worldwide for expressing vehicle speeds.
KPH to MPH Calculator
What are Miles per Hour (mph)?
Miles per hour (mph) is a unit of speed used in the British and American imperial systems of measurement. It expresses the number of miles travelled in one hour. The unit is commonly used in the United States, the United Kingdom, and other countries for road traffic speeds.
How to convert KPH to MPH?
To convert kilometres per hour to miles per hour, multiply the speed in km/h by 0.621371. This factor is derived from the exact equivalence of one mile to 1.60934 kilometres.
How many MPH in 1 KPH?
There are approximately 0.621371 miles per hour in 1 kilometre per hour.
KPH to MPH Formula
The formula to convert KPH to MPH is: MPH = KPH x 0.621371
For example, if a car is travelling at 100 km/h, its speed in miles per hour would be: MPH = 100 x 0.621371 = 62.1371 mph
KPH to MPH Conversion Table
Here is a table of conversions from kilometres per hour to miles per hour for common speeds:
| KPH | MPH |
| 10 | 6.214 |
| 20 | 12.427 |
| 30 | 18.641 |
| 40 | 24.855 |
| 50 | 31.069 |
| 60 | 37.282 |
| 70 | 43.496 |
| 80 | 49.710 |
| 90 | 55.923 |
| 100 | 62.137 |
| 110 | 68.351 |
| 120 | 74.565 |
| 130 | 80.778 |
| 140 | 86.992 |
| 150 | 93.206 |
| 160 | 99.419 |
| 170 | 105.633 |
| 180 | 111.847 |
| 190 | 118.060 |
| 200 | 124.274 |