Rolled Oats
Grain·Density: 0.34 g/ml
Also known as: old-fashioned oats, oatmeal
Density Information
0.34 g/ml(spooned method)
Density by measurement method:
packed: 0.42 g/ml
Data source
USDA FoodData CentralAll Conversions
Measuring Tips
- Do not pack - oats compress easily
Rolled Oats — Quick Reference
Common us cup to gram conversions
| US Cup | Gram |
|---|---|
| ¼ cup | 20g |
| ⅓ cup | 27g |
| ½ cup | 40g |
| ⅔ cup | 54g |
| ¾ cup | 60g |
| 1 cup | 80g |
| 1½ cups | 121g |
| 2 cups | 161g |
Based on rolled oats density of 0.34 g/ml (spooned method). Source: USDA FoodData Central.
Frequently Asked Questions
1 US cup of rolled oats weighs approximately 80 grams. This is based on a density of 0.34 g/ml using the spooned measurement method.
Rolled Oats has a density of 0.34 g/ml when measured using the spooned method. Density varies by method: packed: 0.42 g/ml. This data is sourced from USDA FoodData Central.
For best accuracy, always measure rolled oats by weight (grams) using a kitchen scale. Volume measurements (cups) can vary by 10-30% depending on your measurement technique. This is especially important in baking where precision matters.
The measurement method significantly affects how much rolled oats fits in a cup. Packed rolled oats: 99g per US cup (0.42 g/ml). The default measurement uses the spooned method at 0.34 g/ml.