How much fiber is in Fiber One cereal?
18 gfiber in ⅔ cup (40 g)
That’s 64% of the Daily Value, which makes it high in fiber by the FDA’s label rule (20% or more per serving).

- Per serving
- 18 g
- Daily Value
- 64%
- Per 100 g
- 45 g
- In grains and cereals
- #1 of 55
Soluble and insoluble fiber
Soluble 0.8 g (5%)Insoluble 17.2 g (95%)
Soluble fiber turns to gel and helps with cholesterol and blood sugar. Insoluble fiber adds bulk and keeps you regular.
Counts toward your 20 plants a week in FiberKit. Bulgur, couscous, pasta, whole-wheat pasta, egg noodles, white bread, whole-wheat bread, multigrain bread, sourdough bread, french bread, bagel, english muffin, whole-wheat pita, flour tortilla, whole-wheat tortilla, naan, chapati, bran flakes, raisin bran, shredded wheat, wheat biscuits (Weetabix-style), wheat germ, wheat bran, whole-wheat flour, sprouted grain bread, pretzels, dinner roll, croissant and All-Bran cereal 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% |
Questions
How much fiber is in Fiber One cereal?
Fiber One cereal has 18 g of fiber in ⅔ cup (40 g), 64% of the Daily Value. That’s 45 g of fiber per 100 g.
Is Fiber One cereal high in fiber?
Yes. One serving gives 64% of the Daily Value, and the FDA counts 20% or more per serving as high in fiber.
Is the fiber in Fiber One cereal soluble or insoluble?
Both. A serving has 0.8 g of soluble and 17.2 g of insoluble fiber, so it’s 5% soluble.
How does Fiber One cereal compare with other grains and cereals?
It has the most fiber per serving of the 55 grains and cereals in FiberKit.
Fiber: USDA FoodData Central, Branded Foods (label data), FDC ID 2777389. Soluble and insoluble ratio: the product’s nutrition label. Values are for the serving shown and vary with variety and cooking.