With this information, you can calculate the quantity of hours 9 seconds is equal to.
¿What is the inverse calculation between 1 hour and 9 seconds?
Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 400 times 9 seconds.
Which is the same to say that 9 seconds is 0.0025 hours.
Nine seconds equals to zero hours. *Approximation
A hour is four hundred times nine seconds. *Approximation
