With this information, you can calculate the quantity of hours 15 minutes is equal to.

¿What is the inverse calculation between 1 hour and 15 minutes?

Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 4 times 15 minutes.

Which is the same to say that 15 minutes is 0.25 hours.

Fifteen minutes equals to zero hours. *Approximation

A hour is four times fifteen minutes. *Approximation