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 18.1 g in a 1 cup serving of black beans, from canned, reduced sodium is 72% of the first and 48% of the second. US food labels use a single Daily Value of 28 g instead, which puts this serving at 65%.
Calorie for calorie, the figure is 5.5 g of fiber per 100 kcal (this serving is 329 kcal). Among the 114 legumes & beans with USDA energy data here that is 21st, and 121st 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 above the ratio a whole day of eating is meant to reach.
Getting all 25 g from black beans, from canned, reduced sodium alone would take 2 servings, and 38 g would take 3. Most days reach the target through several different sources.
Dietary fiber and energy in Black Beans, from canned, reduced sodium for 100 g and the USDA household portions
Portion
Grams
Fiber
kcal
100 g
100
9.8 g
178
1 cup - this page's serving
185
18.1 g
329
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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Common questions about black beans, from canned, reduced sodium
How many grams of fiber are in a 1 cup serving of black beans, from canned, reduced sodium?
18.1 g of total dietary fiber, in a portion weighing 185 g. On a US label that reads as 65% of the 28 g Daily Value.
What is the fiber rank of black beans, from canned, reduced sodium in its food group?
By fiber per serving it is number 2 of 114 in its group in this database, and number 21 of 114 when ranked by fiber per 100 kcal.
How much fiber is there per 100 calories of black beans, from canned, reduced sodium?
5.5 g. USDA lists 9.8 g of fiber and 178 kcal in 100 g, and dividing one by the other gives the figure, whatever the portion.
How many servings of black beans, from canned, reduced sodium would cover a day's fiber on their own?
About 2 for the 25 g Adequate Intake for women aged 19 to 50, or 3 for the 38 g set for men of those ages.
Numbers on this page come from USDA FoodData Central record 2707364 (Black beans, from canned, reduced sodium, FNDDS 2021-2023). USDA nutrient data is public domain.