Carbs in Zucchini

Keto-friendly

Zucchini (per 100 g) contains 3g total carbs, 3g net carbs, 0g fat, 1g protein, and 16 calories.

Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

Zucchini
3g
Net carbs
3g
Total carbs
0g
Fiber
1g
Protein
0g
Fat
16
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
1 medium zucchini3.7g3.7g20
100 g (3.5 oz)3g3g16
1 oz (28 g)0.8g0.8g4

Nutrition facts

NutrientAmount (per 100 g)
Calories16
Total carbs3g
Net carbs3g
Fiber0g
Sugar0g
Sugar alcohols0g
Protein1g
Fat0g
Sodium0mg
Potassium0mg

Source: Open Food Facts (Generic). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in zucchini?
Zucchini has 3g of total carbs and 3g of net carbs per 100 grams.
How many net carbs are in zucchini?
Zucchini has 3g of net carbs per 100 grams (total carbs 3g minus 0g fiber).
Is zucchini keto-friendly?
Yes — with 3g net carbs per 100g, zucchini fits a ketogenic diet in normal portions.
How many calories are in zucchini?
Zucchini has 16 calories per 100 grams.
How many carbs are in 1 medium zucchini of zucchini?
1 medium zucchini of zucchini (124g) has about 3.7g net carbs, 3.7g total carbs, and 20 calories.

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