Rolled oats: cups to grams
Use the converter to change any amount of rolled oats between cups, grams, ounces and spoons, or jump to the charts below. Weights are for a standard US cup (236.6 ml).
Rolled oats: cups to grams
| Cups | Grams | Ounces |
|---|---|---|
| 1/8 cup | 11 g | 0.4 oz |
| 1/4 cup | 23 g | 0.79 oz |
| 1/3 cup | 30 g | 1.06 oz |
| 1/2 cup | 45 g | 1.59 oz |
| 2/3 cup | 60 g | 2.12 oz |
| 3/4 cup | 68 g | 2.38 oz |
| 1 cup | 90 g | 3.17 oz |
| 1 1/4 cups | 113 g | 3.97 oz |
| 1 1/2 cups | 135 g | 4.76 oz |
| 2 cups | 180 g | 6.35 oz |
| 2 1/2 cups | 225 g | 7.94 oz |
| 3 cups | 270 g | 9.52 oz |
| 4 cups | 360 g | 12.7 oz |
Rolled oats: grams to cups
| Grams | Cups | How to measure it |
|---|---|---|
| 10 g | 0.11 cups | 2 tbsp |
| 25 g | 0.28 cups | 1/4 cup |
| 50 g | 0.56 cups | 1/2 cup + 1 tbsp |
| 75 g | 0.83 cups | 3/4 cup + 1 1/2 tbsp |
| 100 g | 1.11 cups | 1 cup + 2 tbsp |
| 125 g | 1.39 cups | 1 1/3 cups + 1 tbsp |
| 150 g | 1.67 cups | 1 2/3 cups |
| 200 g | 2.22 cups | 2 1/4 cups |
| 250 g | 2.78 cups | 2 3/4 cups |
| 300 g | 3.33 cups | 3 1/3 cups |
| 400 g | 4.44 cups | 4 1/3 cups + 2 tbsp |
| 500 g | 5.56 cups | 5 1/2 cups + 1 tbsp |
| 750 g | 8.33 cups | 8 1/3 cups |
| 1000 g | 11.11 cups | 11 cups + 2 tbsp |
Tablespoons and teaspoons of rolled oats
How to measure rolled oats accurately
Pour grains into the cup and level the top without pressing down.
For the most reliable result, weigh rolled oats on a digital kitchen scale: 90 g for every cup the recipe asks for.
Compare with similar ingredients
| Ingredient | 1 cup | 1/2 cup | 100 g in cups |
|---|---|---|---|
| Rolled oats | 90 g | 45 g | 1.11 |
| Rice (uncooked) | 198 g | 99 g | 0.51 |
| Quinoa (uncooked) | 170 g | 85 g | 0.59 |
Rolled oats conversion FAQ
How many grams is 1 cup of rolled oats?
1 cup of rolled oats weighs 90 grams (3.17 oz), using a standard US cup of 236.6 ml.
How many grams is 1/2 cup of rolled oats?
1/2 cup of rolled oats is 45 grams.
How many cups is 100 grams of rolled oats?
100 grams of rolled oats is 1.11 cups, which you can measure as 1 cup + 2 tbsp.
How many grams is 1 tablespoon of rolled oats?
1 tablespoon of rolled oats weighs about 5.6 grams, and 1 teaspoon about 1.9 grams.
Why doesn’t a cup of rolled oats weigh the same as a cup of water?
A cup measures volume, not weight. Water weighs about 237 g per cup, but rolled oats has a different density, so the same cup holds 90 g. That is why weighing gives more reliable results than cups.
Other amounts in grams
Source: Average of published reference weights. Last checked September 2026. Weights vary slightly by brand and how the cup is filled.
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