USDA reference food · Vegetables and Vegetable Products

Squash, summer, yellow, includes skin, raw

Per 100 g, squash, summer, yellow, includes skin, raw has 20 calories, less than 1g of protein, 0g of fat and less than 1g of fiber (USDA FoodData Central, Foundation Foods, FDC 2685569). It is one of 37 USDA descriptions of summer squash.

FoodData Central 2685569, Foundation Foods, in the April 30, 2026 release; USDA record.

Nutrition Facts

Serving size100 g (100g)

AmountPortion

Amount per serving

Calories20

% Daily Value*

Total Fat 0g0%

Saturated Fat not declared

Trans Fat not declared

Cholesterol not declared

Sodium 0mg0%

Total Carbohydrate 4g2%

Dietary Fiber <1g3%

Total Sugars not declared

Includes Added Sugars not declared

Protein <1g2%

Vitamin D not declared

Calcium 20mg2%

Iron 0.1mg1%

Potassium 220mg5%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g (Foundation Foods), scaled to the portion. Check the USDA record.

Protein per 100 g: 0.9g; more than 15% of 8,218 USDA reference foods
Calories per 100 g: 19; more than 3% of reference foods
Fiber per 100 g: 1g; more than 56% of reference foods

What a portion gives you

Fiber less than 1g3%

Protein less than 1g2%

Potassium 220mg5%

Calcium 20mg2%

Iron 0.1mg1%

Sodium 0mg0%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, Foundation Foods (FDC 2685569); FDA Daily Values, 21 CFR 101.9.

Also rich in

Vitamin C17 mg in 100 g (100 g), 19% of the Daily Value
Manganese0.2 mg in 100 g (100 g), 10% of the Daily Value

Source: USDA FoodData Central (FDC 2685569), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 79% carbohydrate, 5% fat and 16% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 g	This food	Share with less
Calories	19.0	3%
Protein	0.89 g	15%
Total fat	0.14 g	10%
Carbohydrate	4.39 g	42%
Fiber	0.96 g	56%
Sodium	0 mg	0%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 7,472 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (21)

The portion is 100 g (100 g); % DV is for that portion.

Energy, macronutrients and sugars (6)

Nutrient	Per portion	Per 100 g	% DV
Protein	0.89 g	0.89 g	2%
Total lipid (fat)	0.14 g	0.14 g	0%
Carbohydrate, by difference	4.39 g	4.39 g	2%
Ash	0.53 g	0.53 g
Water	94.0 g	94.0 g
Fiber, total dietary	0.96 g	0.96 g	3%

Minerals (9)

Nutrient	Per portion	Per 100 g	% DV
Calcium, Ca	22.7 mg	22.7 mg	2%
Iron, Fe	0.14 mg	0.14 mg	1%
Magnesium, Mg	16.8 mg	16.8 mg	4%
Phosphorus, P	30.7 mg	30.7 mg	2%
Potassium, K	221 mg	221 mg	5%
Sodium, Na	0 mg	0 mg	0%
Zinc, Zn	0.20 mg	0.20 mg	2%
Copper, Cu	0.061 mg	0.061 mg	7%
Manganese, Mn	0.24 mg	0.24 mg	10%

Vitamins (3)

Nutrient	Per portion	Per 100 g	% DV
Vitamin C, total ascorbic acid	17.0 mg	17.0 mg	19%
Folate, total	36.0 µg	36.0 µg
5-methyl tetrahydrofolate (5-MTHF)	23.0 µg	23.0 µg

Source: USDA FoodData Central, FDC 2685569: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat summer squash

USDA lists 37 preparations of summer squash. The summer squash page puts them side by side, per 100 g and per portion.

Compare every summer squash preparation

Next questions

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Sources for this page

USDA FoodData Central: this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation: what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies: survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food: the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims: the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label: the 5% and 20% Daily Value rule. fda.gov