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How many cups is 100 grams of rolled oats?
Answer
≈ 1 ¼ cups
100 grams of rolled oats fills about 1 ¼ cups (1.23 US cups, or about 19.8 tablespoons). The math uses USDA's figure of roughly 81 g per cup.
Rolled oats: grams to cups
| Weight | US cups | In the kitchen |
|---|---|---|
| 50 g | 0.617 | about ⅝ cup |
| 100 g | 1.23 | about 1 ¼ cups |
| 125 g | 1.54 | about 1 ½ cups |
| 200 g | 2.47 | about 2 ½ cups |
| 250 g | 3.09 | about 3 ⅛ cups |
| 500 g | 6.17 | about 6 ⅛ cups |
| 1000 g | 12.3 | about 12 ⅓ cups |
Source: USDA FoodData Central #173904, Cereals, oats, regular and quick, not fortified, dry. USDA lists 1 cup = 81 g. Weights are approximate.
Measuring tip
These figures are for dry, uncooked grains and legumes. Once cooked they soak up water and a cup weighs very differently. When a recipe gives grams, a scale is always the most accurate choice.
See also: 1 cup of rolled oats in grams.