With this information, you can calculate the quantity of ounces 21 kilograms is equal to.

¿What is the inverse calculation between 1 ounce and 21 kilograms?

Performing the inverse calculation of the relationship between units, we obtain that 1 ounce is 0.0013499773 times 21 kilograms.

Which is the same to say that 21 kilograms is 740.7532 ounces.

Twenty-one kilograms equals to seven hundred forty ounces. *Approximation

A ounce is zero times twenty-one kilograms. *Approximation