Rolled oats cups to grams chart
1 US cup of rolled oats weighs 89 g, or 3.1 oz. That is 109 g lighter than a cup of uncooked rice (198 g). The weight is from King Arthur Baking, checked in November 2026.
US cups | Grams | Ounces |
|---|---|---|
¼ cup | 22 | 0.8 |
⅓ cup | 30 | 1 |
½ cup | 45 | 1.6 |
⅔ cup | 59 | 2.1 |
¾ cup | 67 | 2.4 |
1 cup | 89 | 3.1 |
1 ½ cups | 134 | 4.7 |
2 cups | 178 | 6.3 |
Rolled oats grams to cups chart
The closest measure you can scoop with cups and spoons, and the exact amount in cups.
Grams | Kitchen measure | Cups |
|---|---|---|
50 g | ½ cup plus 1 tablespoon | 0.56 |
100 g | 1 cup plus 2 tablespoons | 1.12 |
125 g | 1 ¼ cups plus 2 tablespoons | 1.4 |
150 g | 1 ⅔ cups | 1.69 |
200 g | 2 ¼ cups | 2 ¼ |
250 g | 2 ¾ cups plus 1 tablespoon | 2.81 |
500 g | 5 ⅔ cups | 5 ⅔ |
Rolled oats in tablespoons and teaspoons
1 tablespoon of rolled oats weighs 6 g and 1 teaspoon weighs 1.9 g. A cup is 16 tablespoons or 48 teaspoons.
Grams | Tablespoons | Teaspoons |
|---|---|---|
5 g | 0.9 | 2.7 |
10 g | 1.8 | 5 ⅜ |
15 g | 2.7 | 8 ⅛ |
25 g | 4 ½ | 13 ½ |
50 g | 9 | 27 |
100 g | 18 | 54 |
How do you measure a cup of rolled oats?
Fill the cup without pressing and level the top. How the rolled oats settles changes what a cup weighs, so for baking a scale is the surer measure.
More conversions
All 103 ingredients in one place: the cups to grams converter.
Starting from a weight: the grams to cups converter.
Small amounts: grams to tablespoons and teaspoons.
Grains and crumbs: Rice, Quinoa, Breadcrumbs, Panko, Steel-cut oats.











