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How many grams is a cup of oats?
1 cup of rolled oats weighs 89 grams (3.14 oz), according to King Arthur Baking — Ingredient Weight Chart.
Rolled oats: cups to grams
| Amount | Grams | Ounces |
|---|---|---|
| 1/4 cup | 22 g | 0.8 oz |
| 1/3 cup | 30 g | 1.0 oz |
| 1/2 cup | 45 g | 1.6 oz |
| 2/3 cup | 59 g | 2.1 oz |
| 3/4 cup | 67 g | 2.4 oz |
| 1 cup | 89 g | 3.1 oz |
| 1 tablespoon | 5.6 g | 0.20 oz |
| 1 teaspoon | 1.9 g | 0.07 oz |
US cup = 236.6 ml. Measured level.
FAQ
How many grams is 1/2 cup of rolled oats?
1/2 cup of rolled oats is about 45 grams, based on 89 g per US cup (King Arthur Baking — Ingredient Weight Chart).
How many grams is 1/4 cup of rolled oats?
1/4 cup of rolled oats is about 22 grams.
How many ounces is a cup of rolled oats?
A US cup of rolled oats weighs about 3.1 oz (89 g).
Why weigh instead of using cups?
Cups measure volume, so how you fill them changes how much you get. A kitchen scale gives the same amount every time, which is why bakers weigh.
Source: King Arthur Baking — Ingredient Weight Chart (89 g per US cup). Other amounts are calculated from that figure.