Ingredient conversion
1 cup rolled oats to grams
1 US cup of rolled oats = 90 grams.
This uses the standard dry measure. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
This uses the standard dry measure. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
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Why this matters: A cup of flour, sugar, butter and honey do not weigh the same.
Rolled oats cup to gram chart
| Cups | Grams |
|---|---|
| 1/4 cup rolled oats | 22.5g |
| 1/3 cup rolled oats | 30g |
| 1/2 cup rolled oats | 45g |
| 2/3 cup rolled oats | 60g |
| 3/4 cup rolled oats | 67.5g |
| 1 cup rolled oats | 90g |
| 2 cup rolled oats | 180g |
| 3 cup rolled oats | 270g |
Accuracy note
For baking, small measuring differences can affect texture. If a recipe is precise, weigh rolled oats in grams rather than relying only on volume.
FAQ
How many grams is 1 cup of rolled oats?
1 US cup of rolled oats is 90 grams using the standard dry measure.
Why can rolled oats conversions vary?
Cups measure volume, grams measure weight. Different cup sizes and measuring methods can change the result, especially for dry ingredients.
Should I use grams or cups for baking?
Grams are usually more reliable because weighing removes variation from scooping, packing and cup size.