With this information, you can calculate the quantity of kilograms 40 grams is equal to.

¿What is the inverse calculation between 1 kilogram and 40 grams?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilogram is 25 times 40 grams.

Which is the same to say that 40 grams is 0.04 kilograms.

Forty grams equals to zero kilograms. *Approximation

A kilogram is twenty-five times forty grams. *Approximation