Calories in zucchini

USDA data · Updated October 12, 2026

Zucchini (1 medium, 196 g) has 33 calories, with 2.4 g of protein, 6.1 g of carbohydrates and 0.6 g of fat. Per 100 g, that's 17 kcal.

Values are for Squash, summer, zucchini, includes skin, raw. Amounts vary with size, variety and preparation.

Zucchini

Per 1 medium (196 g)


Calories33

Protein2.4 g
Carbohydrates6.1 g
   Fiber2 g
   Sugars4.9 g
Fat0.6 g
Sodium16 mg

Source: USDA FoodData Central.

Calories in zucchini by serving

ServingWeightCaloriesProteinCarbsFat
100 g100 g171.2 g3.1 g0.3 g
1 cup, chopped124 g211.5 g3.9 g0.4 g
1 cup, sliced113 g191.4 g3.5 g0.4 g
1 large323 g553.9 g10 g1 g
1 medium196 g332.4 g6.1 g0.6 g
1 slice10 g20.1 g0.3 g0 g
1 small118 g201.4 g3.7 g0.4 g
1 oz28 g50.3 g0.9 g0.1 g

Where the calories come from

Protein 24%Carbs 62%Fat 14%

Zucchini has a very low energy density (0.2 kcal per gram). It provides 7.1 g of protein per 100 kcal.

Vegetables: calories compared

Per 100 gCaloriesProteinCarbsFat
Celery140.7 g3 g0.2 g
Cucumber150.7 g3.6 g0.1 g
Zucchini171.2 g3.1 g0.3 g
Romaine lettuce171.2 g3.3 g0.3 g
Tomato180.9 g3.9 g0.2 g
Asparagus202.2 g3.9 g0.1 g
Mushrooms223.1 g3.3 g0.3 g
Spinach232.9 g3.6 g0.4 g
Cauliflower251.9 g5 g0.3 g
Red bell pepper261 g6 g0.3 g
Green beans311.8 g7 g0.2 g
Broccoli342.8 g6.6 g0.4 g
Onion401.1 g9.3 g0.1 g
Carrots410.9 g9.6 g0.2 g
Green peas785.2 g14.3 g0.3 g
Sweet potato902 g20.7 g0.1 g
Baked potato932.5 g21.1 g0.1 g
Corn on the cob963.4 g21 g1.5 g

Log it in seconds

In C for Calories, photograph your plate and zucchini is estimated along with everything else on it, or search for it and enter the amount in grams. For packaged versions, scan the barcode to use the label.

Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy, FDC ID 169291. Calories are rounded to the nearest whole number and nutrients to one decimal place.

FAQ

Frequently asked questions

How many calories are in zucchini?

33 calories in 1 medium (196 g), or 17 calories per 100 g.

How much protein is in zucchini?

2.4 g of protein in 1 medium (196 g) (1.2 g per 100 g).

How many carbs are in zucchini?

6.1 g of carbohydrates in 1 medium (196 g), including 2 g of fiber.