1 US cup of rolled oats weighs 89 g = 3.14 oz, so 1 oz = 0.319 cups. Weight ounces are not fluid ounces: 8 fl oz always fills a cup, but 8 oz of rolled oats is 2.55 cups.
| Ounces (weight) | Grams | US cups | Tablespoons |
|---|---|---|---|
| 1 | 28 | 0.32 | 5.1 |
| 2 | 57 | 0.64 | 10.2 |
| 3 | 85 | 0.96 | 15.3 |
| 4 | 113 | 1.27 | 20.4 |
| 5 | 142 | 1.59 | 25.5 |
| 6 | 170 | 1.91 | 30.6 |
| 8 | 227 | 2.55 | 40.8 |
| 10 | 283 | 3.19 | 51 |
| 12 | 340 | 3.82 | 61.2 |
| 16 | 454 | 5.1 | 81.5 |
| 24 | 680 | 7.64 | 122.3 |
| 32 | 907 | 10.19 | 163.1 |
| US cups | Ounces | Grams |
|---|---|---|
| 1/8 | 0.39 | 11 |
| 1/4 | 0.78 | 22 |
| 1/3 | 1.05 | 30 |
| 1/2 | 1.57 | 44 |
| 2/3 | 2.09 | 59 |
| 3/4 | 2.35 | 67 |
| 1 | 3.14 | 89 |
| 1 1/2 | 4.71 | 134 |
| 2 | 6.28 | 178 |
| 3 | 9.42 | 267 |
| 4 | 12.56 | 356 |
See also rolled oats cups to grams.