Batch Scaling Around 100 mL Old-Fashioned Rolled Oats
| Batch Scale | Weight (g / oz) | US Cups & Spoons | Metric (mL) |
|---|---|---|---|
| Half Batch (0.5×) | 19g (0.67 oz) | 3 tbsp + 1 ¼ tsp | 50 mL |
| Standard (1×) | 38g (1.34 oz) | ⅓ cup + 1 tbsp + 1 ¼ tsp | 100 mL |
| 1.5× Batch | 57.1g (2.01 oz) | ½ cup + 2 tbsp + ½ tsp | 150 mL |
| Double Batch (2×) | 76.1g (2.68 oz) | ¾ cup + 1 tbsp + 1 ½ tsp | 200 mL |
| Triple Batch (3×) | 114.1g (4.03 oz) | 1 ¼ cups + ¾ tsp | 300 mL |
Measuring 100 mL of Old-Fashioned Rolled Oats in the Kitchen
Measured dip and sweep at a verified bulk density of 90g per US cup, 100 mL of old-fashioned rolled oats weighs 38 grams (1.34 ounces).
Spoon rolled oats gently into a dry measuring cup until heaping, then sweep level with a straight edge. Shaking or tapping the cup settles the broad, flat oat flakes into trapped gaps, increasing cup weight to nearly 100 grams.
Source note: USDA FoodData Central FDC ID 173904; King Arthur Baking Ingredient Weight Chart
Frequently Asked Questions
How many grams is 100 mL of old-fashioned rolled oats? ▾
100 mL of old-fashioned rolled oats measured Dip and sweep weighs 38 grams (1.34 ounces).
Can I substitute quick oats for rolled oats by weight? ▾
Yes, 90 grams of quick oats can replace 90 grams of rolled oats in most baking recipes, producing a slightly denser and more uniform crumb.
Why does a cup of rolled oats weigh so little? ▾
Whole oat groats that have been steamed and flattened into wide flakes create large, irregular air pockets inside a volume measuring cup.