Butternut squash nutrition facts
Butternut squash (1 cup, cubes, 205 g) has 82 calories, 1.8 g protein, 6.6 g fiber, 0.2 g fat. It is an excellent source of vitamin A (127% DV), vitamin C (34% DV), fiber (23% DV) and a good source of vitamin E and manganese.
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 8%
- ■ Fat 2%
- ■ Carbohydrate 90%
Share of calories by the 4-9-4 Atwater factors; the centre shows USDA's calorie value.
Scores
All nutrients in butternut squash
| Nutrient | Per 1 cup, cubes | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 82 kcal | |
| Protein | 1.8 g | |
| Total fat | 0.2 g | |
| Carbohydrate | 21.5 g | |
| Fiber | 6.6 g | |
| Sugars | 4 g | no DV |
| Fats | ||
| Saturated fat | 0 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) | 0.05 g | no DV |
| Omega-6 (linoleic) | 0.03 g | no DV |
| Cholesterol | 0 mg | |
| Vitamins | ||
| Vitamin C | 31 mg | |
| Thiamin (B1) | 0.15 mg | |
| Riboflavin (B2) | 0.03 mg | |
| Niacin (B3) | 2 mg | |
| Pantothenic acid (B5) | 0.74 mg | |
| Vitamin B6 | 0.25 mg | |
| Folate (DFE) | 39 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 1,144 µg | |
| Vitamin E | 2.64 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 2 µg | |
| Minerals | ||
| Sodium | 8 mg | |
| Calcium | 84 mg | |
| Iron | 1.2 mg | |
| Magnesium | 59 mg | |
| Phosphorus | 55 mg | |
| Potassium | 582 mg | |
| Zinc | 0.3 mg | |
| Copper | 0.13 mg | |
| Manganese | 0.35 mg | |
| Selenium | 1 µg | |
| Carotenoids | ||
| Beta-carotene | 9,368 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 0 µg | no DV |
| Other | ||
| Water | 180 g | no DV |
| Amino acids | ||
| Tryptophan | 0.027 g | no DV |
| Threonine | 0.055 g | no DV |
| Isoleucine | 0.072 g | no DV |
| Leucine | 0.105 g | no DV |
| Lysine | 0.068 g | no DV |
| Methionine | 0.023 g | no DV |
| Phenylalanine | 0.072 g | no DV |
| Valine | 0.08 g | no DV |
| Histidine | 0.035 g | no DV |
| Nutrient | Per 100 g | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 40 kcal | |
| Protein | 0.9 g | |
| Total fat | 0.1 g | |
| Carbohydrate | 10.5 g | |
| Fiber | 3.2 g | |
| Sugars | 2 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 | 15.1 mg | |
| Thiamin (B1) | 0.07 mg | |
| Riboflavin (B2) | 0.02 mg | |
| Niacin (B3) | 1 mg | |
| Pantothenic acid (B5) | 0.36 mg | |
| Vitamin B6 | 0.12 mg | |
| Folate (DFE) | 19 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 558 µg | |
| Vitamin E | 1.29 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 1 µg | |
| Minerals | ||
| Sodium | 4 mg | |
| Calcium | 41 mg | |
| Iron | 0.6 mg | |
| Magnesium | 29 mg | |
| Phosphorus | 27 mg | |
| Potassium | 284 mg | |
| Zinc | 0.1 mg | |
| Copper | 0.07 mg | |
| Manganese | 0.17 mg | |
| Selenium | 0.5 µg | |
| Carotenoids | ||
| Beta-carotene | 4,570 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 0 µg | no DV |
| Other | ||
| Water | 88 g | no DV |
| Amino acids | ||
| Tryptophan | 0.013 g | no DV |
| Threonine | 0.027 g | no DV |
| Isoleucine | 0.035 g | no DV |
| Leucine | 0.051 g | no DV |
| Lysine | 0.033 g | no DV |
| Methionine | 0.011 g | no DV |
| Phenylalanine | 0.035 g | no DV |
| Valine | 0.039 g | no DV |
| Histidine | 0.017 g | no DV |
| Nutrient | Per 1 oz (28 g) | % Daily Value |
|---|---|---|
| Macronutrients | ||
| Calories | 11 kcal | |
| Protein | 0.3 g | |
| Total fat | 0 g | |
| Carbohydrate | 3 g | |
| Fiber | 0.9 g | |
| Sugars | 0.6 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) | 0.01 g | no DV |
| Omega-6 (linoleic) | 0 g | no DV |
| Cholesterol | 0 mg | |
| Vitamins | ||
| Vitamin C | 4.3 mg | |
| Thiamin (B1) | 0.02 mg | |
| Riboflavin (B2) | 0 mg | |
| Niacin (B3) | 0.3 mg | |
| Pantothenic acid (B5) | 0.1 mg | |
| Vitamin B6 | 0.04 mg | |
| Folate (DFE) | 5 µg | |
| Vitamin B12 | 0 µg | |
| Vitamin A (RAE) | 158 µg | |
| Vitamin E | 0.37 mg | |
| Vitamin D | 0 µg | |
| Vitamin K | 0.3 µg | |
| Minerals | ||
| Sodium | 1 mg | |
| Calcium | 12 mg | |
| Iron | 0.2 mg | |
| Magnesium | 8 mg | |
| Phosphorus | 8 mg | |
| Potassium | 81 mg | |
| Zinc | 0 mg | |
| Copper | 0.02 mg | |
| Manganese | 0.05 mg | |
| Selenium | 0.1 µg | |
| Carotenoids | ||
| Beta-carotene | 1,296 µg | no DV |
| Lycopene | 0 µg | no DV |
| Lutein + zeaxanthin | 0 µg | no DV |
| Other | ||
| Water | 25 g | no DV |
| Amino acids | ||
| Tryptophan | 0.004 g | no DV |
| Threonine | 0.008 g | no DV |
| Isoleucine | 0.01 g | no DV |
| Leucine | 0.014 g | no DV |
| Lysine | 0.009 g | no DV |
| Methionine | 0.003 g | no DV |
| Phenylalanine | 0.01 g | no DV |
| Valine | 0.011 g | no DV |
| Histidine | 0.005 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 #169296 ("Squash, winter, butternut, cooked, baked, without salt").
Frequently asked questions
How many calories are in butternut squash?
Butternut squash has 82 calories per 1 cup, cubes (205 g), or 40 calories per 100 g, according to USDA FoodData Central.
How much protein is in butternut squash?
1.8 g of protein per 1 cup, cubes, which is 3.7% of the 50 g Daily Value.
What is butternut squash rich in?
Per serving, butternut squash is richest in Vitamin A (RAE) at 127% of the Daily Value, Vitamin C (34%), Fiber (23%), Vitamin E (18%).
Is butternut squash healthy?
By nutrient density, butternut squash scores 235 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.