12 oz of Rolled Oats to Cups
12 ounces of rolled oats = about 3¾ cups
That's 3.78 US cups, or 3.58 metric cups (250 ml).
12 ounces of rolled oats in other units
- Grams
- 340
- US cups
- 3.78
- Metric cups (250 ml)
- 3.58
- Tablespoons
- 60.5
- Milliliters
- 894
How to convert ounces of rolled oats to cups
Weight ounces first become grams (1 oz = 28.35 g), so 12 oz = 340 g. One US cup of rolled oats weighs 90 g, so 340 ÷ 90 = 3.78 cups.
Grains settle when shaken, so pour them in loosely and level off rather than tapping the cup.
Rolled Oats: ounces to cups chart
| Ounces | Cups | Exact |
|---|---|---|
| 1 ounce | about ⅓ cup | 0.31 cups |
| 2 ounces | about ⅝ cup | 0.63 cups |
| 3 ounces | about 1 cup | 0.94 cups |
| 4 ounces | about 1¼ cups | 1.26 cups |
| 5 ounces | about 1⅝ cups | 1.57 cups |
| 6 ounces | about 1⅞ cups | 1.89 cups |
| 8 ounces | about 2½ cups | 2.52 cups |
| 10 ounces | about 3⅛ cups | 3.15 cups |
| 12 ounces | about 3¾ cups | 3.78 cups |
| 16 ounces | about 5 cups | 5.04 cups |
12 ounces of other ingredients
The same amount weighs very different things depending on the ingredient:
| Ingredient | Cups | Exact |
|---|---|---|
| White Rice (uncooked) | about 1⅞ cups | 1.84 cups |
| Brown Rice (uncooked) | about 1¾ cups | 1.79 cups |
| Quinoa (uncooked) | 2 cups | 2 cups |
| Dried Lentils | about 1¾ cups | 1.77 cups |
| Couscous (uncooked) | about 2 cups | 1.97 cups |
| Dry Breadcrumbs | about 3 cups | 3.04 cups |
| Panko Breadcrumbs | about 6¾ cups | 6.8 cups |
| Chia Seeds | 2⅛ cups | 2.13 cups |
| Ground Flaxseed | about 3⅜ cups | 3.4 cups |
| Sesame Seeds | about 2⅜ cups | 2.36 cups |
| All-Purpose Flour | about 2¾ cups | 2.72 cups |
| Bread Flour | about 2⅔ cups | 2.68 cups |
| Almond Flour | about 3½ cups | 3.54 cups |
| Granulated Sugar | about 1⅔ cups | 1.7 cups |
More rolled oats conversions
- All rolled oats conversions
- 100 grams of rolled oats to cups
- 1 cup of rolled oats to grams
- 1 tablespoon of rolled oats to grams
Frequently asked questions
How many cups is 12 ounces of rolled oats?
12 ounces of rolled oats is about 3¾ cups (3.78 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, 12 ounces of rolled oats is 3.58 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.