Zucchini nutrition facts

Zucchini (1 cup, chopped, 124 g) has 21 calories, 1.5 g protein, 1.2 g fiber, 0.4 g fat. It is an excellent source of vitamin C (25% DV) and a good source of vitamin B6.

Vitamin C 25% DVVitamin B6 12% DVManganese 9.5% DVRiboflavin 9% DVFolate 7.4% DV

Nutrition Facts

Serving size1 cup, chopped (124 g)
Calories21
Total Fat 0.4g0.5%
Saturated Fat 0.1g0.5%
Trans Fat 0g
Cholesterol 0mg0%
Sodium 10mg0.4%
Total Carbohydrate 3.9g1.4%
Dietary Fiber 1.2g4.4%
Total Sugars 3.1g
Protein 1.5g3%
Vitamin D 0µg0%
Calcium 20mg1.5%
Iron 0.5mg2.5%
Potassium 324mg6.9%

* 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

21kcal
  • ■ Protein 24%
  • ■ Fat 14%
  • ■ Carbohydrate 62%

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

Scores

190
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.
-3.8
Inflammatory profile strongly anti-inflammatory
Lower is more anti-inflammatory. Percentile 4 among 1,677 whole foods, from Dietary Inflammatory Index weights applied to this food's nutrients per 100 kcal.

All nutrients in zucchini

NutrientPer 1 cup, chopped% Daily Value
Macronutrients
Calories21 kcal1.1%
Protein1.5 g3%
Total fat0.4 g0.5%
Carbohydrate3.9 g1.4%
Fiber1.2 g4.4%
Sugars3.1 gno DV
Fats
Saturated fat0.1 g0.5%
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)0.04 gno DV
Cholesterol0 mg0%
Vitamins
Vitamin C22.2 mg25%
Thiamin (B1)0.06 mg4.7%
Riboflavin (B2)0.12 mg9%
Niacin (B3)0.6 mg3.5%
Pantothenic acid (B5)0.25 mg5.1%
Vitamin B60.2 mg12%
Folate (DFE)30 µg7.4%
Vitamin B120 µg0%
Vitamin A (RAE)12 µg1.4%
Vitamin E0.15 mg1%
Vitamin D0 µg0%
Vitamin K5.3 µg4.4%
Choline12 mg2.1%
Minerals
Sodium10 mg0.4%
Calcium20 mg1.5%
Iron0.5 mg2.5%
Magnesium22 mg5.3%
Phosphorus47 mg3.8%
Potassium324 mg6.9%
Zinc0.4 mg3.6%
Copper0.07 mg7.3%
Manganese0.22 mg9.5%
Selenium0.2 µg0.5%
Carotenoids
Beta-carotene149 µgno DV
Lycopene0 µgno DV
Lutein + zeaxanthin2,635 µgno DV
Other
Caffeine0 mgno DV
Water118 gno DV
Amino acids
Tryptophan0.012 gno DV
Threonine0.036 gno DV
Isoleucine0.055 gno DV
Leucine0.088 gno DV
Lysine0.083 gno DV
Methionine0.022 gno DV
Phenylalanine0.053 gno DV
Valine0.067 gno DV
Histidine0.032 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 #169291 ("Squash, summer, zucchini, includes skin, raw").

Frequently asked questions

How many calories are in zucchini?

Zucchini has 21 calories per 1 cup, chopped (124 g), or 17 calories per 100 g, according to USDA FoodData Central.

How much protein is in zucchini?

1.5 g of protein per 1 cup, chopped, which is 3% of the 50 g Daily Value.

What is zucchini rich in?

Per serving, zucchini is richest in Vitamin C at 25% of the Daily Value, Vitamin B6 (12%), Manganese (9.5%), Riboflavin (B2) (9%).

Is zucchini healthy?

By nutrient density, zucchini scores 190 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.