Let 'K' be the speed expressed in kilometers per hour.
(1K kilometers/hour) x (1 light-year / 9.46073 x 1012 kilometer) x (1 hour / 60 minute) =
( 1.76167 x 10-15 K ) light-years per minute (rounded)
Take the kilometers per hour and divide by 60. (60 minutes in an hour)
one should divide kmph by 60. i.e. 120 kmph = 120/60 kmpm = 2 kilometers per minute
Nine km per hour equates to 0.15 km per minute.
To convert miles to kilometers, multiply by 1.6. The same if you want to convert miles/hour to kilometers/hour.
As we know that 1 hour consists of 60 minutesso, 1 minute would be of 1/60 hours (or 0.0166666666666667 hours approximately)Thus, 0.7 kilometers/minute can be written as0.7 kilometers/0.0166666666666667 hourswhich, on simplification (calculation) gives 42 kilometers per hour.Result42 kilometers per hour