How much fiber is in sweet potato?
3.8 gfiber in 1 medium, baked (114 g)
That’s 14% of the Daily Value: a good source of fiber by the FDA’s label rule (10 to 19% per serving).

- Per serving
- 3.8 g
- Daily Value
- 14%
- Per 100 g
- 3.3 g
- In vegetables
- #11 of 73
Soluble and insoluble fiber
Soluble 1.2 g (32%)Insoluble 2.6 g (68%)
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.
Swap for more fiber
Compared with other vegetables
| # | Food | Serving | Fiber | % DV | Soluble · insoluble |
|---|---|---|---|---|---|
| 1 | Acorn squash1 cup, cubes, baked | 1 cup, cubes, baked | 9 g | 32% | |
| 2 | Collard greens1 cup, chopped, cooked | 1 cup, chopped, cooked | 7.6 g | 27% | No split data |
| 3 | 1 medium, cooked | 6.8 g | 24% | ||
| 4 | 1 cup, cubes, baked | 6.6 g | 24% | ||
| 5 | Jicama1 cup, sliced, raw | 1 cup, sliced, raw | 5.9 g | 21% | No split data |
| 11 | 1 medium, baked | 3.8 g | 14% |
Questions
How much fiber is in sweet potato?
Sweet potato has 3.8 g of fiber in 1 medium, baked (114 g), 14% of the Daily Value. That’s 3.3 g of fiber per 100 g.
Is sweet potato high in fiber?
It’s a good source. One serving gives 14% of the Daily Value. The FDA calls 10 to 19% a good source and 20% or more high.
Is the fiber in sweet potato soluble or insoluble?
Both. A serving has 1.2 g of soluble and 2.6 g of insoluble fiber, so it’s 32% soluble.
How does sweet potato compare with other vegetables?
It ranks #11 of 73 vegetables in FiberKit by fiber per serving. Acorn squash leads with 9 g in 1 cup, cubes, baked.
What’s a higher-fiber swap for sweet potato?
Acorn squash has 9 g in 1 cup, cubes, baked. That’s 5.2 g more than a serving of sweet potato.
Fiber: USDA FoodData Central, SR Legacy, FDC ID 168483. Values are for the serving shown and vary with variety and cooking.