With this information, you can calculate the quantity of days 513 hours is equal to.

¿What is the inverse calculation between 1 day and 513 hours?

Performing the inverse calculation of the relationship between units, we obtain that 1 day is 0.046783626 times 513 hours.

Which is the same to say that 513 hours is 21.375 days.

Five hundred thirteen hours equals to twenty-one days. *Approximation

A day is zero times five hundred thirteen hours. *Approximation