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Cooking conversion
Grams of Rolled Oats to Cups
How many cups of rolled oats are in a given weight? Type a number of grams below to see the volume. Math uses rolled oats's density of 0.385 g/mL.
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100 g of rolled oats = 1.0979 cup
Grams of Rolled Oats to Cups Conversion Table
Common values for rolled oats:
| Grams of rolled oats | Cups |
|---|---|
| 10 g | 0.109786 cup |
| 25 g | 0.274465 cup |
| 50 g | 0.548929 cup |
| 100 g | 1.0979 cup |
| 150 g | 1.6468 cup |
| 200 g | 2.1957 cup |
| 250 g | 2.7446 cup |
| 500 g | 5.4893 cup |
| 1000 g | 10.9786 cup |
How this works
Rolled oats has a density of about 0.385 g/mL (king arthur baking: 1 cup = 91g). That means 1 mL of rolled oats weighs 0.385 grams.
Cups = grams × 0.0110
Note: Old-fashioned rolled oats. Quick oats are slightly denser (~0.41).
Why a cup of rolled oats doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of rolled oats can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.