With this information, you can calculate the quantity of grams 421 ounces is equal to.

¿What is the inverse calculation between 1 gram and 421 ounces?

Performing the inverse calculation of the relationship between units, we obtain that 1 gram is 8.3786133e-05 times 421 ounces.

Which is the same to say that 421 ounces is 11935.149 grams.

Four hundred twenty-one ounces equals to eleven thousand nine hundred thirty-five grams. *Approximation

A gram is eight times four hundred twenty-one ounces. *Approximation