Rolled oats: cups to grams
Fractions work: 1 1/2, ¾, 0.5
1 cup of rolled oats weighs
89g3.14 oz
Same as 16 tbsp · 8 fl oz · 237 ml
US cups and spoons
Common amounts of rolled oats
How it works
- 1Choose an ingredient. Each one uses its own weight per cup from King Arthur Baking's ingredient weight chart.
- 2Type an amount the way a recipe writes it: 1, 1/2, 1 1/3 or ¾, in cups, tablespoons, teaspoons, fluid ounces or ml.
- 3Read the grams (and ounces), or use the table to convert every common cup size at once.
Rolled oats: cups to grams chart
| Volume | Grams | Ounces |
|---|---|---|
| ⅛ cup | 11 g | 0.39 oz |
| ¼ cup | 22 g | 0.78 oz |
| ⅓ cup | 30 g | 1.05 oz |
| ½ cup | 45 g | 1.57 oz |
| ⅔ cup | 59 g | 2.09 oz |
| ¾ cup | 67 g | 2.35 oz |
| 1 cup | 89 g | 3.14 oz |
| 1½ cups | 134 g | 4.71 oz |
| 2 cups | 178 g | 6.28 oz |
| 3 cups | 267 g | 9.42 oz |
| 1 tbsp | 5.6 g | 0.2 oz |
| 2 tbsp | 11 g | 0.39 oz |
| 1 tsp | 1.9 g | 0.07 oz |
| ½ tsp | 0.9 g | 0.03 oz |
Rolled oats: grams to cups chart
| Weight | Measure | Cups | Tbsp |
|---|---|---|---|
| 25 g | ¼ cup + 1½ tsp | 0.28 | — |
| 50 g | ½ cup + 1 tbsp | 0.56 | — |
| 100 g | 1 cup + 2 tbsp | 1.12 | — |
| 150 g | 1⅔ cups | 1.69 | — |
| 200 g | 2¼ cups | 2.25 | — |
| 250 g | 2¾ cups | 2.81 | — |
| 300 g | 3⅓ cups | 3.37 | — |
| 400 g | 4½ cups | 4.49 | — |
| 500 g | 5⅔ cups | 5.62 | — |
Where the numbers come from
King Arthur Baking lists 1 cup of rolled oats as 89 g. That’s 89 g per US cup, and every amount on this page is scaled from it. Brands vary a little, so weigh your own when it really matters. See the chart.
More oats, rice and crumbs
Converting something else? Use the cups to grams converter or the grams to cups converter.
Questions
How many grams is 1 cup of rolled oats?
89 g. Half a cup is 45 g and a quarter cup is 22 g.
How many grams in a tablespoon of rolled oats?
About 5.6 g per tablespoon and 1.9 g per teaspoon.
How many cups is 100 g of rolled oats?
About 1.12 cups.
Where does this weight come from?
King Arthur Baking's ingredient weight chart lists 1 cup of rolled oats as 89 g; the converter scales that to other amounts. Brands vary a little, so weigh your own when precision matters.
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