BakingGrams

Rolled Oats: Ounces to Cups

1 ounce of rolled oats = 0.31 cups (based on 90 g per US cup).

Result

0.31 cup

1 ounces of rolled oats · based on 90 g per cup

ouncescups
0.5 oz0.16 cup
1 oz0.31 cup
2 oz0.63 cup
4 oz1.26 cup
8 oz2.52 cup
16 oz5.04 cup

FAQ

How many cups is 1 ounce of rolled oats?

1 ounce of rolled oats is about 0.31 cups, based on a standard weight of 90 grams per US cup.

Why do gram weights for rolled oats vary between recipes?

Volume measurements depend on how the ingredient is packed. Spooned-and-leveled rolled oats weighs less than scooped. Our values use standard baking averages, so brands and techniques may differ by a few percent.

Is it better to measure rolled oats by weight or volume?

Weight. A kitchen scale removes packing errors entirely, which is why professional recipes list grams. Use this table to convert older volume-based recipes.

Common rolled oats amounts, ounces to cups

More rolled oats conversions

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