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8 oz of Rolled Oats to Cups

8 ounces of rolled oats = about 2½ cups

That's 2.52 US cups, or 2.38 metric cups (250 ml).

8 ounces of rolled oats in other units

Grams
227
US cups
2.52
Metric cups (250 ml)
2.38
Tablespoons
40.3
Milliliters
596

Rolled Oats converter

8 ounces = about 2½ cups (2.52 cups)

How to convert ounces of rolled oats to cups

Weight ounces first become grams (1 oz = 28.35 g), so 8 oz = 227 g. One US cup of rolled oats weighs 90 g, so 227 ÷ 90 = 2.52 cups.

Grains settle when shaken, so pour them in loosely and level off rather than tapping the cup.

Rolled Oats: ounces to cups chart

OuncesCupsExact
1 ounceabout ⅓ cup0.31 cups
2 ouncesabout ⅝ cup0.63 cups
3 ouncesabout 1 cup0.94 cups
4 ouncesabout 1¼ cups1.26 cups
5 ouncesabout 1⅝ cups1.57 cups
6 ouncesabout 1⅞ cups1.89 cups
8 ouncesabout 2½ cups2.52 cups
10 ouncesabout 3⅛ cups3.15 cups
12 ouncesabout 3¾ cups3.78 cups
16 ouncesabout 5 cups5.04 cups

8 ounces of other ingredients

The same amount weighs very different things depending on the ingredient:

IngredientCupsExact
White Rice (uncooked)about 1¼ cups1.23 cups
Brown Rice (uncooked)about 1¼ cups1.19 cups
Quinoa (uncooked)1⅓ cups1.33 cups
Dried Lentilsabout 1⅛ cups1.18 cups
Couscous (uncooked)about 1⅓ cups1.31 cups
Dry Breadcrumbsabout 2 cups2.02 cups
Panko Breadcrumbsabout 4½ cups4.54 cups
Chia Seedsabout 1⅜ cups1.42 cups
Ground Flaxseedabout 2¼ cups2.27 cups
Sesame Seedsabout 1⅝ cups1.57 cups
All-Purpose Flourabout 1⅞ cups1.81 cups
Bread Flourabout 1¾ cups1.79 cups
Almond Flourabout 2⅜ cups2.36 cups
Granulated Sugarabout 1⅛ cups1.13 cups

More rolled oats conversions

Frequently asked questions

How many cups is 8 ounces of rolled oats?

8 ounces of rolled oats is about 2½ cups (2.52 cups), based on 90 g per level US cup.

Is it different with a UK or Australian cup?

Slightly. UK, Australian and New Zealand recipes use a 250 ml metric cup, which is about 6% bigger than a US cup (236.6 ml). In metric cups, 8 ounces of rolled oats is 2.38 cups.

Should I weigh rolled oats or measure it by volume?

Grains settle when shaken, so pour them in loosely and level off rather than tapping the cup. Weighing is always more accurate, which is why grams are the safest choice for baking.