With this information, you can calculate the quantity of kilograms 660 grams is equal to.

¿What is the inverse calculation between 1 kilogram and 660 grams?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilogram is 1.5151515 times 660 grams.

Which is the same to say that 660 grams is 0.66 kilograms.

Six hundred sixty grams equals to zero kilograms. *Approximation

A kilogram is one times six hundred sixty grams. *Approximation