You count the amount of kilometers traveled and you divide it by the number of hours the travel took.
First, find the distance traveled (preferably in km) and the time taken (preferably in hours). If it is not in those units, conversion will be required until you get it. Then, divide distance in km by time taken in hour. For example:
100m in 10 sec = 0.1km/10 sec = 0.6km/min = 36km/hour
11.275 kph
50 kilometres per hour is your average speed.
100 miles per hour = 100*1.609344 kilometres per hour = 160.9344 kilometres per hour = 160.9344/3600 kilometres per second = 0.0447 km per sec (approx).
The two measurements are identical, 82 kilometres per hour is equal to 82 kilometres per hour.
457 metres per second = 457*3600 metres per hour = 1645.2 kilometres per hour = 1022.28 miles per hour (approx).
Speed.
34.8 miles per hour.
To convert miles per hour to kilometres per hour, multiply by 1.609344. Therefore, 190 miles per hour is equal to 190 x 1.609344 = 305.77536 kilometres per hour.
To convert miles per hour to kilometres per hour, multiply by 1.609344. Therefore, 187 miles per hour is equal to 187 x 1.609344 = 300.947328 kilometres per hour.
To convert from miles per hour to kilometres per hour, multiply by 1.609344. Therefore, 71 miles per hour is equal to 71 x 1.609344 = 114.263424 kilometres per hour.
To convert miles per hour to kilometres per hour, multiply by 1.609344. In this instance, 88 miles per hour is equal to 88 x 1.609344 = 141.622272 kilometres per hour.
Kilometres per hour