With this information, you can calculate the quantity of ounces 991 grams is equal to.

¿What is the inverse calculation between 1 ounce and 991 grams?

Performing the inverse calculation of the relationship between units, we obtain that 1 ounce is 0.028606986 times 991 grams.

Which is the same to say that 991 grams is 34.956496 ounces.

Nine hundred ninety-one grams equals to thirty-four ounces. *Approximation

A ounce is zero times nine hundred ninety-one grams. *Approximation