With this information, you can calculate the quantity of ounces 13 grams is equal to.

¿What is the inverse calculation between 1 ounce and 13 grams?

Performing the inverse calculation of the relationship between units, we obtain that 1 ounce is 2.1807325 times 13 grams.

Which is the same to say that 13 grams is 0.45856151 ounces.

Thirteen grams equals to zero ounces. *Approximation

A ounce is two times thirteen grams. *Approximation