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.
Nutrition Facts
* 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
- ■ Protein 24%
- ■ Fat 14%
- ■ Carbohydrate 62%
Share of calories by the 4-9-4 Atwater factors; the centre shows USDA's calorie value.
Scores
All nutrients in zucchini
| Nutrient | Per 1 cup, chopped | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 21 kcal | |
| Protein | 1.5 g | |
| Total fat | 0.4 g | |
| Carbohydrate | 3.9 g | |
| Fiber | 1.2 g | |
| Sugars | 3.1 g | no DV |
| Fats | ||
| Saturated fat | 0.1 g | |
| Trans fat | 0 g | no DV |
| Monounsaturated fat | 0 g | no DV |
| Polyunsaturated fat | 0.1 g | no DV |
| Omega-3 (ALA+EPA+DHA) | 0.08 g | no DV |
| Omega-6 (linoleic) | 0.04 g | no DV |
| Cholesterol | 0 mg | |
| Vitamins | ||
| Vitamin C | 22.2 mg | |
| Thiamin (B1) | 0.06 mg | |
| Riboflavin (B2) | 0.12 mg | |
| Niacin (B3) | 0.6 mg | |
| Pantothenic acid (B5) | 0.25 mg | |
| Vitamin B6 | 0.2 mg | |
| Folate (DFE) | 30 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 12 µg | |
| Vitamin E | 0.15 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 5.3 µg | |
| Choline | 12 mg | |
| Minerals | ||
| Sodium | 10 mg | |
| Calcium | 20 mg | |
| Iron | 0.5 mg | |
| Magnesium | 22 mg | |
| Phosphorus | 47 mg | |
| Potassium | 324 mg | |
| Zinc | 0.4 mg | |
| Copper | 0.07 mg | |
| Manganese | 0.22 mg | |
| Selenium | 0.2 µg | |
| Carotenoids | ||
| Beta-carotene | 149 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 2,635 µg | no DV |
| Other | ||
| Caffeine | 0 mg | no DV |
| Water | 118 g | no DV |
| Amino acids | ||
| Tryptophan | 0.012 g | no DV |
| Threonine | 0.036 g | no DV |
| Isoleucine | 0.055 g | no DV |
| Leucine | 0.088 g | no DV |
| Lysine | 0.083 g | no DV |
| Methionine | 0.022 g | no DV |
| Phenylalanine | 0.053 g | no DV |
| Valine | 0.067 g | no DV |
| Histidine | 0.032 g | no DV |
| Nutrient | Per 100 g | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 17 kcal | |
| Protein | 1.2 g | |
| Total fat | 0.3 g | |
| Carbohydrate | 3.1 g | |
| Fiber | 1 g | |
| Sugars | 2.5 g | no DV |
| Fats | ||
| Saturated fat | 0.1 g | |
| Trans fat | 0 g | no DV |
| Monounsaturated fat | 0 g | no DV |
| Polyunsaturated fat | 0.1 g | no DV |
| Omega-3 (ALA+EPA+DHA) | 0.06 g | no DV |
| Omega-6 (linoleic) | 0.03 g | no DV |
| Cholesterol | 0 mg | |
| Vitamins | ||
| Vitamin C | 17.9 mg | |
| Thiamin (B1) | 0.04 mg | |
| Riboflavin (B2) | 0.09 mg | |
| Niacin (B3) | 0.5 mg | |
| Pantothenic acid (B5) | 0.2 mg | |
| Vitamin B6 | 0.16 mg | |
| Folate (DFE) | 24 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 10 µg | |
| Vitamin E | 0.12 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 4.3 µg | |
| Choline | 10 mg | |
| Minerals | ||
| Sodium | 8 mg | |
| Calcium | 16 mg | |
| Iron | 0.4 mg | |
| Magnesium | 18 mg | |
| Phosphorus | 38 mg | |
| Potassium | 261 mg | |
| Zinc | 0.3 mg | |
| Copper | 0.05 mg | |
| Manganese | 0.18 mg | |
| Selenium | 0.2 µg | |
| Carotenoids | ||
| Beta-carotene | 120 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 2,125 µg | no DV |
| Other | ||
| Caffeine | 0 mg | no DV |
| Water | 95 g | no DV |
| Amino acids | ||
| Tryptophan | 0.01 g | no DV |
| Threonine | 0.029 g | no DV |
| Isoleucine | 0.044 g | no DV |
| Leucine | 0.071 g | no DV |
| Lysine | 0.067 g | no DV |
| Methionine | 0.018 g | no DV |
| Phenylalanine | 0.043 g | no DV |
| Valine | 0.054 g | no DV |
| Histidine | 0.026 g | no DV |
| Nutrient | Per 1 oz (28 g) | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 5 kcal | |
| Protein | 0.3 g | |
| Total fat | 0.1 g | |
| Carbohydrate | 0.9 g | |
| Fiber | 0.3 g | |
| Sugars | 0.7 g | no DV |
| Fats | ||
| Saturated fat | 0 g | |
| Trans fat | 0 g | no DV |
| Monounsaturated fat | 0 g | no DV |
| Polyunsaturated fat | 0 g | no DV |
| Omega-3 (ALA+EPA+DHA) | 0.02 g | no DV |
| Omega-6 (linoleic) | 0.01 g | no DV |
| Cholesterol | 0 mg | |
| Vitamins | ||
| Vitamin C | 5.1 mg | |
| Thiamin (B1) | 0.01 mg | |
| Riboflavin (B2) | 0.03 mg | |
| Niacin (B3) | 0.1 mg | |
| Pantothenic acid (B5) | 0.06 mg | |
| Vitamin B6 | 0.05 mg | |
| Folate (DFE) | 7 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 3 µg | |
| Vitamin E | 0.03 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 1.2 µg | |
| Choline | 3 mg | |
| Minerals | ||
| Sodium | 2 mg | |
| Calcium | 5 mg | |
| Iron | 0.1 mg | |
| Magnesium | 5 mg | |
| Phosphorus | 11 mg | |
| Potassium | 74 mg | |
| Zinc | 0.1 mg | |
| Copper | 0.02 mg | |
| Manganese | 0.05 mg | |
| Selenium | 0.1 µg | |
| Carotenoids | ||
| Beta-carotene | 34 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 602 µg | no DV |
| Other | ||
| Caffeine | 0 mg | no DV |
| Water | 27 g | no DV |
| Amino acids | ||
| Tryptophan | 0.003 g | no DV |
| Threonine | 0.008 g | no DV |
| Isoleucine | 0.012 g | no DV |
| Leucine | 0.02 g | no DV |
| Lysine | 0.019 g | no DV |
| Methionine | 0.005 g | no DV |
| Phenylalanine | 0.012 g | no DV |
| Valine | 0.015 g | no DV |
| Histidine | 0.007 g | no 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.