How Many Ounces in a Gram? 1 Gram is 20 g to oz to 0.
A gram is defined as one 1000 of the SI base unit the kilogram which itself is defined as being equal to the mass of a physical prototype preserved by the International Bureau of Weights and Measures. Ounces value will be converted automatically as you type. The decimals value is the number of digits to be calculated or rounded of the result of grams to ounces conversion. You can also check the grams to ounces conversion chart below, or go back to grams to ounces converter to top.