Fiber breakdown
Soluble about 1.8 g (58%)Insoluble about 1.3 g (42%)
Total fiber is measured. The split between soluble and insoluble is a category-based estimate, so read it for the shape of the food rather than the decimal.
Dietary fiber in Orange per 1 medium| Serving | 1 medium |
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| Total fiber | 3.1 g |
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| Soluble fiber (estimated) | about 1.8 g |
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| Insoluble fiber (estimated) | about 1.3 g |
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| Share of 28 g daily target | 11% |
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| Category | Fruits |
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| Food type | Whole food |
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How much fiber is in orange?
Orange delivers 3.1 grams of dietary fiber in a typical 1 medium serving, which makes it a moderate source of fiber. That covers roughly 11% of a 28 gram daily reference intake, so it adds gently toward your fiber goal for the day.
Of that total, an estimated 1.8 g is soluble fiber (which forms a gel in the gut and helps with cholesterol and blood-sugar) and an estimated 1.3 g is insoluble fiber (which adds bulk and supports regularity).
USDA FoodData Central; total dietary fiber nutrient 1079. Soluble and insoluble grams are category-based estimates, not lab-measured values.
Soluble vs Insoluble Fiber: What Each One Actually Does · All fiber guides