Grams to Cups: Rolled oats
1 cup of rolled oats weighs about 90 grams. Convert any amount between grams, cups and spoons below.
100 g of rolled oats = 1 ⅛ cups (1.11 exactly)
How much does 1 cup of rolled oats weigh?
One US cup of rolled oats weighs about 90 grams (3.2 oz). A tablespoon holds about 5.6 g and a teaspoon about 1.9 g.
| Amount | Rolled oats in grams |
|---|---|
| 1 cup | 90 g |
| ¾ cup | 68 g |
| ⅔ cup | 60 g |
| ½ cup | 45 g |
| ⅓ cup | 30 g |
| ¼ cup | 22 g |
| 1 tablespoon | 5.6 g |
| 1 teaspoon | 1.9 g |
Grams to cups rolled oats chart
| Grams | Cups | Decimal cups |
|---|---|---|
| 25 g | ¼ cup | 0.28 |
| 50 g | ½ cup | 0.56 |
| 75 g | ⅞ cup | 0.83 |
| 100 g | 1 ⅛ cups | 1.11 |
| 125 g | 1 ⅜ cups | 1.39 |
| 150 g | 1 ⅔ cups | 1.67 |
| 200 g | 2 ¼ cups | 2.22 |
| 250 g | 2 ¾ cups | 2.78 |
| 300 g | 3 ⅓ cups | 3.33 |
| 400 g | 4 ½ cups | 4.44 |
| 500 g | 5 ½ cups | 5.56 |
| 750 g | 8 ⅓ cups | 8.33 |
| 1000 g | 11 ⅛ cups | 11.11 |
How to measure rolled oats
Pour rolled oats into a dry measuring cup and level the top. Weights here are for the ingredient as listed (for example uncooked rice or whole nuts), which can differ a lot from cooked or chopped versions.
Rolled oats compared with other grains, nuts & more
Different grains, nuts & more weigh different amounts per cup, so never swap one for another by volume without converting.
| Ingredient | 1 cup in grams |
|---|---|
| White rice (uncooked) | 185 g |
| Quinoa (uncooked) | 170 g |
| Lentils (dry) | 192 g |
| Breadcrumbs (dry) | 108 g |
| Chocolate chips | 170 g |
| Walnuts (chopped) | 117 g |
| Almonds (whole) | 143 g |
| Raisins | 145 g |
Frequently asked questions
How many grams are in a cup of rolled oats?
One US cup of rolled oats is about 90 grams.
How many cups is 100 grams of rolled oats?
100 grams of rolled oats is about 1 ⅛ cups (1.11 cups).
How many cups is 250 grams of rolled oats?
250 grams of rolled oats is about 2 ¾ cups (2.78 cups).
How many grams in a tablespoon of rolled oats?
A level tablespoon of rolled oats weighs about 5.6 grams.
Other ingredients
Last updated: November 2026. Values use the US cup (236.6 ml) and the spoon-and-level method for dry ingredients.