With this information, you can calculate the quantity of pounds 509 grams is equal to.

¿What is the inverse calculation between 1 pound and 509 grams?

Performing the inverse calculation of the relationship between units, we obtain that 1 pound is 0.89114415 times 509 grams.

Which is the same to say that 509 grams is 1.1221529 pounds.

Five hundred nine grams equals to one pounds. *Approximation

A pound is zero times five hundred nine grams. *Approximation