Kale nutrition facts

Kale (1 cup, 21 g) has 7 calories, 0.6 g protein, 0.9 g fiber, 0.3 g fat. It is an excellent source of vitamin K (68% DV), vitamin C (22% DV).

Vitamin K 68% DVVitamin C 22% DVManganese 8.4% DVVitamin A 5.6% DVRiboflavin 5.6% DV

Nutrition Facts

Serving size1 cup (21 g)
Calories7
Total Fat 0.3g0.4%
Saturated Fat 0g0.2%
Trans Fat 0g
Cholesterol 0mg0%
Sodium 11mg0.5%
Total Carbohydrate 0.9g0.3%
Dietary Fiber 0.9g3.1%
Total Sugars 0.2g
Protein 0.6g1.2%
Vitamin D 0µg0%
Calcium 53mg4.1%
Iron 0.3mg1.9%
Potassium 73mg1.6%

* The % Daily Value (DV) tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Values from USDA FoodData Central; label rounding rules are not applied.

Calorie breakdown

7kcal
  • ■ Protein 27%
  • ■ Fat 31%
  • ■ Carbohydrate 41%

Share of calories by the 4-9-4 Atwater factors; the centre shows USDA's calorie value.

Scores

357
Nutrient density (NRF9.3)
Nine nutrients to encourage minus three to limit, per 100 kcal. Whole foods range from about −60 to 600; leafy greens score highest.
-5.2
Inflammatory profile strongly anti-inflammatory
Lower is more anti-inflammatory. Percentile 0 among 1,677 whole foods, from Dietary Inflammatory Index weights applied to this food's nutrients per 100 kcal.

All nutrients in kale

NutrientPer 1 cup% Daily Value
Macronutrients
Calories7 kcal0.4%
ProteinF0.6 g1.2%
Total fatF0.3 g0.4%
CarbohydrateF0.9 g0.3%
FiberF0.9 g3.1%
Sugars0.2 gno DV
Fats
Saturated fat0 g0.2%
Trans fat0 gno DV
Monounsaturated fat0 gno DV
Polyunsaturated fat0.1 gno DV
Omega-3 (ALA+EPA+DHA)0.08 gno DV
Omega-6 (linoleic)0.06 gno DV
Cholesterol0 mg0%
Vitamins
Vitamin CF19.6 mg22%
Thiamin (B1)F0.02 mg2%
Riboflavin (B2)F0.07 mg5.6%
Niacin (B3)F0.2 mg1.5%
Pantothenic acid (B5)F0.08 mg1.6%
Vitamin B6F0.03 mg1.8%
Folate (DFE)F13 µg3.3%
Vitamin B120 µg0%
Vitamin A (RAE)F51 µg5.6%
Vitamin EF0.14 mg0.9%
Vitamin D0 µg0%
Vitamin KF81.9 µg68%
Choline0 mg0%
Minerals
SodiumF11 mg0.5%
CalciumF53 mg4.1%
IronF0.3 mg1.9%
MagnesiumF7 mg1.6%
PhosphorusF12 mg0.9%
PotassiumF73 mg1.6%
ZincF0.1 mg0.7%
CopperF0.01 mg1.2%
ManganeseF0.19 mg8.4%
Selenium0.2 µg0.3%
Carotenoids
Beta-caroteneF603 µgno DV
Lycopene0 µgno DV
Lutein + zeaxanthinF1,315 µgno DV
Other
Caffeine0 mgno DV
WaterF19 gno DV
Amino acids
Tryptophan0.007 gno DV
Threonine0.028 gno DV
Isoleucine0.037 gno DV
Leucine0.043 gno DV
Lysine0.037 gno DV
Methionine0.006 gno DV
Phenylalanine0.032 gno DV
Valine0.033 gno DV
Histidine0.036 gno DV

Missing nutrients were not analysed by USDA for this food; they are not zero. F marks a value updated from Foundation Foods (April 2026 analytical data). Source: USDA FoodData Central #168421 ("Kale, raw"), Foundation Foods #323505.

Kale variants compared

Per 100 g, so preparations can be compared directly.

VariantkcalProtein gFat gCarbs gFiber gSugars gPotassium mgVit C mgSodium mg
Kale (this page)352.91.54.44.1134893.453
Cooked (boiled, drained)362.91.25.341.214417.816

Nutrients in kale, in detail

Compare kale with…

Frequently asked questions

How many calories are in kale?

Kale has 7 calories per 1 cup (21 g), or 35 calories per 100 g, according to USDA FoodData Central.

How much protein is in kale?

0.6 g of protein per 1 cup, which is 1.2% of the 50 g Daily Value.

What is kale rich in?

Per serving, kale is richest in Vitamin K at 68% of the Daily Value, Vitamin C (22%), Manganese (8.4%), Vitamin A (RAE) (5.6%).

Is kale healthy?

By nutrient density, kale scores 357 on the NRF9.3 index (nine nutrients to encourage minus three to limit, per 100 kcal). Its nutrient profile is strongly anti-inflammatory compared with other whole foods. See the methodology page for how both scores work; this is data, not medical advice.

More vegetables

Nutrient values are from USDA FoodData Central (SR Legacy, April 2018; Foundation Foods, April 2026) and shown per serving as described on each page. %DV uses the FDA Daily Values for adults and children aged 4 and over. This is nutrition data for general information, not medical or dietary advice; talk to a clinician or registered dietitian about your own needs. How the numbers are calculated.