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.

Vitamin A 127% DVVitamin C 34% DVFiber 23% DVVitamin E 18% DVManganese 15% DV

Nutrition Facts

Serving size1 cup, cubes (205 g)
Calories82
Total Fat 0.2g0.2%
Saturated Fat 0g0.2%
Trans Fat 0g
Cholesterol 0mg0%
Sodium 8mg0.4%
Total Carbohydrate 21.5g7.8%
Dietary Fiber 6.6g23%
Total Sugars 4g
Protein 1.8g3.7%
Vitamin D 0µg0%
Calcium 84mg6.5%
Iron 1.2mg6.8%
Potassium 582mg12%

* 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

82kcal
  • ■ Protein 8%
  • ■ Fat 2%
  • ■ Carbohydrate 90%

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

Scores

235
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.
-3.6
Inflammatory profile strongly anti-inflammatory
Lower is more anti-inflammatory. Percentile 5 among 1,677 whole foods, from Dietary Inflammatory Index weights applied to this food's nutrients per 100 kcal.

All nutrients in butternut squash

NutrientPer 1 cup, cubes% Daily Value
Macronutrients
Calories82 kcal4.1%
Protein1.8 g3.7%
Total fat0.2 g0.2%
Carbohydrate21.5 g7.8%
Fiber6.6 g23%
Sugars4 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)0.05 gno DV
Omega-6 (linoleic)0.03 gno DV
Cholesterol0 mg0%
Vitamins
Vitamin C31 mg34%
Thiamin (B1)0.15 mg12%
Riboflavin (B2)0.03 mg2.7%
Niacin (B3)2 mg12%
Pantothenic acid (B5)0.74 mg15%
Vitamin B60.25 mg15%
Folate (DFE)39 µg9.7%
Vitamin B120 µg0%
Vitamin A (RAE)1,144 µg127%
Vitamin E2.64 mg18%
Vitamin D0 µg0%
Vitamin K2 µg1.7%
Minerals
Sodium8 mg0.4%
Calcium84 mg6.5%
Iron1.2 mg6.8%
Magnesium59 mg14%
Phosphorus55 mg4.4%
Potassium582 mg12%
Zinc0.3 mg2.4%
Copper0.13 mg15%
Manganese0.35 mg15%
Selenium1 µg1.9%
Carotenoids
Beta-carotene9,368 µgno DV
Lycopene0 µgno DV
Lutein + zeaxanthin0 µgno DV
Other
Water180 gno DV
Amino acids
Tryptophan0.027 gno DV
Threonine0.055 gno DV
Isoleucine0.072 gno DV
Leucine0.105 gno DV
Lysine0.068 gno DV
Methionine0.023 gno DV
Phenylalanine0.072 gno DV
Valine0.08 gno DV
Histidine0.035 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 #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.