How much fiber is in oat bran?
3.7 gfiber in ¼ cup, dry (24 g)
That’s 13% of the Daily Value: a good source of fiber by the FDA’s label rule (10 to 19% per serving).

- Per serving
- 3.7 g
- Daily Value
- 13%
- Per 100 g
- 15.4 g
- In grains and cereals
- #22 of 55
Counts toward your 20 plants a week in FiberKit. Dry oats, cooked oatmeal, muesli, toasted oat cereal (Cheerios-style) and granola count as the same plant.
Compared with other grains and cereals
| # | Food | Serving | Fiber | % DV | Soluble · insoluble |
|---|---|---|---|---|---|
| 1 | ⅔ cup | 18 g | 64% | ||
| 2 | ⅔ cup | 12.3 g | 44% | ||
| 3 | 1 cup, cooked | 8.2 g | 29% | No split data | |
| 4 | 1 cup | 8.1 g | 29% | No split data | |
| 5 | 2 oz, dry | 8 g | 29% | ||
| 22 | ¼ cup, dry | 3.7 g | 13% | No split data |
Questions
How much fiber is in oat bran?
Oat bran has 3.7 g of fiber in ¼ cup, dry (24 g), 13% of the Daily Value. That’s 15.4 g of fiber per 100 g.
Is oat bran high in fiber?
It’s a good source. One serving gives 13% of the Daily Value. The FDA calls 10 to 19% a good source and 20% or more high.
How does oat bran compare with other grains and cereals?
It ranks #22 of 55 grains and cereals in FiberKit by fiber per serving. Fiber One cereal leads with 18 g in ⅔ cup.
Fiber: USDA FoodData Central, SR Legacy, FDC ID 168872. Values are for the serving shown and vary with variety and cooking.