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Rolled oats: cups to grams

One US cup of rolled oats weighs about 90 grams (3.2 oz). Use the converter or the tables below.

Rolled oats cup to gram chart

CupsGramsOunces
1/4 cup22 g0.8 oz
1/3 cup30 g1.1 oz
1/2 cup45 g1.6 oz
2/3 cup60 g2.1 oz
3/4 cup68 g2.4 oz
1 cup90 g3.2 oz
1.5 cup135 g4.8 oz
2 cup180 g6.3 oz
3 cup270 g9.5 oz
4 cup360 g12.7 oz

Spoons and millilitres

AmountWeight
1 tablespoon5.6 g
1 teaspoon1.9 g
1 fluid ounce11.2 g
100 ml38.0 g

Why weights can differ

Cup measures are not exact. How you scoop, pack or sift rolled oats changes the weight, and brands vary slightly. These figures use a standard US cup of 236.6 ml and common reference values, so treat them as close estimates. For baking, a kitchen scale gives the most reliable result.

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