With this information, you can calculate the quantity of kilograms 420 grams is equal to.
¿What is the inverse calculation between 1 kilogram and 420 grams?
Performing the inverse calculation of the relationship between units, we obtain that 1 kilogram is 2.3809524 times 420 grams.
Which is the same to say that 420 grams is 0.42 kilograms.
Four hundred twenty grams equals to zero kilograms. *Approximation
A kilogram is two times four hundred twenty grams. *Approximation