On a scale, 1 gramme weighs 1 gramme. A gramme is a unit of mass that is equal to 1/1000 of a kilogramme. A gramme weighs 0.0357 ounces if the scale is using other units.
In the metric system, the kilogramme and the gramme are units of mass. Except for the United States, Liberia, and Myanmar, everyone uses the metric system to measure things. In the United States, the pound and the ounce are the units of weight, which are about the same as units of mass. One ounce is equal to 28.35 grammes, and one pound is equal to 16 ounces. So, 1 pound is equal to 453.6 grammes.
