How Much Is 1.05 Ounces of Rolled Oats in Cups?
1.05 ounces of rolled oats equals 0.33 cups. That's 29.77g, and Rolled oats has a density of 90g per cup. Because ounces measure weight and cups measure volume, the result depends on the ingredient's density.
Formula and Step-by-Step
- Start with 1.05 ounces of rolled oats
- Convert ounces to grams: 1.05 × 28.35 = 29.77g
- 1 cup of rolled oats = 90g
- 29.77g ÷ 90g/cup = 0.33 cups
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Oats come in multiple forms (rolled, steel-cut, instant) that have different densities. Steel-cut oats are nearly twice as heavy per cup as rolled oats.
Rolled Oats at Different Amounts
How rolled oats scales across common ounces measurements. Your amount (1.05 ounces) is highlighted.
Other Amounts of Rolled Oats
| Ounces | US Cups | Metric Cup | Imperial Cup |
|---|---|---|---|
| 1 ounce | 0.31 cups | 0.30 cups | 0.26 cups |
| 1.05 ounces | 0.33 cups | 0.31 cups | 0.28 cups |
| 2 ounces | 0.63 cups | 0.60 cups | 0.52 cups |
| 3 ounces | 0.94 cups | 0.89 cups | 0.79 cups |
| 4 ounces | 1.26 cups | 1.19 cups | 1.05 cups |
| 5 ounces | 1.57 cups | 1.49 cups | 1.31 cups |
| 6 ounces | 1.89 cups | 1.79 cups | 1.57 cups |
| 8 ounces | 2.52 cups | 2.38 cups | 2.10 cups |
| 10 ounces | 3.15 cups | 2.98 cups | 2.62 cups |
| 12 ounces | 3.78 cups | 3.58 cups | 3.15 cups |
| 16 ounces | 5.04 cups | 4.77 cups | 4.20 cups |
Understanding the Units
What is an Ounce?
An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.
What is a Cup?
There are three cup standards used worldwide. The US cup (236.588 ml) is used in American recipes. The metric cup (250 ml) is standard in Australia, New Zealand, and some parts of Asia. The imperial cup (284.131 ml) appears in older British and Canadian recipes. A metric cup holds about 5.7% more than a US cup, while an imperial cup holds about 20% more. Using the wrong standard can noticeably affect a recipe.