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Food database · Grains

Fiber content

Fiber in Oat Milk

Fiber per 1 cup (244 g): 1.2 g - that works out to 1.1 g of fiber for each 100 kcal.

1.2 g
per 1 cup

Fiber at a glance

Dietary fiber in Oat Milk: per serving, per 100 g, per 100 kcal and against reference intakes
Total fiber, one serving1.2 g (1 cup)
Serving weight244 g
Fiber in 100 g0.5 g
Fiber per 100 kcal1.1 g
Energy, one serving110 kcal
Women 19-50 (25 g a day)5% per serving
Men 19-50 (38 g a day)3% per serving
Label Daily Value (28 g)4% per serving
Place in grains, by serving169th of 186
Place in grains, per 100 kcal106th of 186
Food typeWhole food
One 1 cup, 1.2 g fiber.
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One serving against a day's fiber

The Dietary Reference Intakes set an Adequate Intake for total fiber of 25 g a day for women aged 19 to 50 and 38 g for men of the same ages. Measured against those, the 1.2 g in a 1 cup serving of oat milk is 5% of the first and 3% of the second. US food labels use a single Daily Value of 28 g instead, which puts this serving at 4%.

Calorie for calorie, the figure is 1.1 g of fiber per 100 kcal (this serving is 110 kcal). Among the 186 grains with USDA energy data here that is 106th, and 716th across all 957. The intakes above were derived from 14 g of fiber per 1,000 kcal, or 1.4 g per 100 kcal, so this food sits below the ratio a whole day of eating is meant to reach.

Getting all 25 g from oat milk alone would take 21 servings, and 38 g would take 32. Most days reach the target through several different sources.

Soluble vs Insoluble Fiber: What Each One Actually Does · All fiber guides

Portions

Fiber by portion size

Dietary fiber and energy in Oat Milk for 100 g and the USDA household portions
PortionGramsFiberkcal
100 g1000.5 g45
1 cup - this page's serving2441.2 g110
1 fl oz30.50.2 g14

Gram weights come from the household measures on the USDA record; fiber and energy for each portion are its per-100 g values scaled to that weight.

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Questions

Common questions about oat milk

How many grams of fiber are in a 1 cup serving of oat milk?

1.2 g of total dietary fiber, in a portion weighing 244 g. On a US label that reads as 4% of the 28 g Daily Value.

What is the fiber rank of oat milk in its food group?

By fiber per serving it is number 169 of 186 in its group in this database, and number 106 of 186 when ranked by fiber per 100 kcal.

How much fiber is there per 100 calories of oat milk?

1.1 g. USDA lists 0.5 g of fiber and 45 kcal in 100 g, and dividing one by the other gives the figure, whatever the portion.

How many servings of oat milk would cover a day's fiber on their own?

About 21 for the 25 g Adequate Intake for women aged 19 to 50, or 32 for the 38 g set for men of those ages.

Numbers on this page come from USDA FoodData Central record 2705412 (Oat milk, FNDDS 2021-2023). USDA nutrient data is public domain.