How many grams is a cup of powdered sugar?

1 cup of powdered sugar ≈ 120 g.

0.25 cup30 g
0.33 cup40 g
0.5 cup60 g
0.66 cup79 g
0.75 cup90 g
1 cup120 g
1.5 cup180 g
2 cup240 g
3 cup360 g

Because a cup measures volume and grams measure weight, every ingredient differs. For precise baking, weigh with a scale. Convert other ingredients.