Speed is distance divided by time. So : you could have meters per second, or meters per hour, etc.
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.
There are 1.609344 kilometres in one mile. Therefore, 211 miles per hour is equal to 211 x 1.609344 = 339.571584 kilometres per hour.
There are 1.609344 kilometres in one mile. Therefore, 9 miles per hour is equal to 9 x 1.609344 = 14.484096 kilometres per hour.
Speed.
Speed is distance divided by time. So : you could have meters per second, or meters per hour, etc.
Miles per hour (MPH), or kilometres per hour (KPH) are time travelled by the car over a measured distance.
There are many instances: for example, speed is measured in kilometres per hour where the ratio is measured between a distance (measured in kilometres) and time (measured in hours). So it is no big deal except that you need to mention the units.
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).
50 kilometres per hour is your average speed.
The two measurements are identical, 82 kilometres per hour is equal to 82 kilometres 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.
34.8 miles 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.