With this information, you can calculate the quantity of hours 20 minutes is equal to.

¿What is the inverse calculation between 1 hour and 20 minutes?

Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 3 times 20 minutes.

Which is the same to say that 20 minutes is 0.33333333 hours.

Twenty minutes equals to zero hours. *Approximation

A hour is three times twenty minutes. *Approximation