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 5.7 g in a 1 cup serving of kale, fresh, cooked, no added fat is 23% of the first and 15% of the second. US food labels use a single Daily Value of 28 g instead, which puts this serving at 20%.
Calorie for calorie, the figure is 9.6 g of fiber per 100 kcal (this serving is 60 kcal). Among the 178 vegetables with USDA energy data here that is 21st, and 29th 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 kale, fresh, cooked, no added fat alone would take 5 servings, and 38 g would take 7. Most days reach the target through several different sources.
Dietary fiber and energy in Kale, Fresh, cooked, no Added Fat for 100 g and the USDA household portions
Portion
Grams
Fiber
kcal
100 g
100
4.4 g
46
1 cup - this page's serving
130
5.7 g
60
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 kale, fresh, cooked, no added fat
How many grams of fiber are in a 1 cup serving of kale, fresh, cooked, no added fat?
5.7 g of total dietary fiber, in a portion weighing 130 g. On a US label that reads as 20% of the 28 g Daily Value.
What is the fiber rank of kale, fresh, cooked, no added fat in its food group?
By fiber per serving it is number 55 of 179 in its group in this database, and number 21 of 178 when ranked by fiber per 100 kcal.
How much fiber is there per 100 calories of kale, fresh, cooked, no added fat?
9.6 g. USDA lists 4.4 g of fiber and 46 kcal in 100 g, and dividing one by the other gives the figure, whatever the portion.
How many servings of kale, fresh, cooked, no added fat would cover a day's fiber on their own?
About 5 for the 25 g Adequate Intake for women aged 19 to 50, or 7 for the 38 g set for men of those ages.
Numbers on this page come from USDA FoodData Central record 2709600 (Kale, fresh, cooked, no added fat, FNDDS 2021-2023). USDA nutrient data is public domain.