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

¿What is the inverse calculation between 1 kilogram and 21 ounces?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilogram is 1.6797125 times 21 ounces.

Which is the same to say that 21 ounces is 0.59533999 kilograms.

Twenty-one ounces equals to zero kilograms. *Approximation

A kilogram is one times twenty-one ounces. *Approximation