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Flat, steamed oat flakes. Very low density due to large air pockets. A cup fills quickly but weighs little.
1 cup =
90
grams
All values calculated using the actual density of Rolled Oats (0.38 g/ml).
¼ cup
23g
0.8 oz
⅓ cup
30g
1.1 oz
½ cup
45g
1.6 oz
⅔ cup
60g
2.1 oz
¾ cup
68g
2.4 oz
1 cup
90g
3.2 oz
1½ cups
135g
4.8 oz
2 cups
180g
6.3 oz
1 tablespoon
6g
1 teaspoon
2g
½ tablespoon
3g
Why density matters
Rolled Oats has a density of 0.38 g/ml. Compare that to water at 1.0 g/ml — a lighter ingredient will give a lower gram count per cup. Generic converters that assume 240g per cup for everything would give you 150g more than the actual weight — which can ruin precision bakes.
Ready to convert a full recipe using Rolled Oats?