How many grams is a cup of rolled oats?

1 cup of rolled oats ≈ 90 g.

0.25 cup23 g
0.33 cup30 g
0.5 cup45 g
0.66 cup59 g
0.75 cup68 g
1 cup90 g
1.5 cup135 g
2 cup180 g
3 cup270 g

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