With this information, you can calculate the quantity of grams 31 kilograms is equal to.

¿What is the inverse calculation between 1 gram and 31 kilograms?

Performing the inverse calculation of the relationship between units, we obtain that 1 gram is 3.2258065e-05 times 31 kilograms.

Which is the same to say that 31 kilograms is 31000 grams.

Thirty-one kilograms equals to thirty-one thousand grams. *Approximation

A gram is three times thirty-one kilograms. *Approximation