How many calories are in fennel, raw?

100 g: 27 calories; protein: 0.92 g, carbohydrates: 5.5 g, fat: 0.14 g.

How much protein is in fennel, raw?

0.92 g per 100 g. Its estimated share of calories is 14%, using 4 kcal per gram of protein.

How many net carbs are in fennel, raw?

3.4 g per 100 g. Calculated as carbohydrate minus fiber, floored at zero.

Fennel, raw

USDA name: Fennel, bulb, raw

27 calories in 100 g. Per 100 g, protein: 0.92 g, carbohydrates: 5.5 g, fat: 0.14 g.

Serving

= 100 g

Fennel, raw, 100 g

27 calories

Protein: 0.92 g
Carbs: 5.5 g
Fat: 0.14 g
Fiber: 2 g
Sugars: 3.2 g

Nutrition Facts

Serving size100 g

Amount per serving
Calories27

% Daily Value*

Total Fat 0.14 g0%

Cholesterol —

Sodium 49 mg2%

Total Carbohydrate 5.5 g2%

Dietary Fiber 2 g7%

Total Sugars 3.2 g

Protein 0.92 g

Calcium 41.3 mg3%

Iron 0 mg0%

Potassium 332 mg7%

* The % Daily Value 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. — means not reported. Estimates use the assumptions explained on this page.

vitamins

% of the Daily Value in this serving

Vitamin C16% 14.7 mg
Folate9% 37 µg
Biotin (B7)6% 1.9 µg

minerals

% of the Daily Value in this serving

Copper8% 0.073 mg
Potassium7% 332 mg
Manganese5% 0.12 mg
Magnesium4% 15 mg
Calcium3% 41.3 mg
Phosphorus3% 33.4 mg
Sodium2% 49 mg
Zinc1% 0.14 mg

Little or none: Iron.

How it compares

Against other records in Vegetables and Vegetable Products, per 100 g. Each nutrient uses only records with a value; matching values are counted separately. Percentages are rounded.

Iron
Lower than 99%
Same value as 6 of 901 other records.
leastmost
Protein
Lower than 82%
Same value as 0 of 901 other records.
leastmost
Total fat
Lower than 78%
Same value as 17 of 893 other records.
leastmost
Sugars
Higher than 68%
Same value as 0 of 598 other records.
leastmost
Calories
Lower than 68%
Same value as 0 of 893 other records.
leastmost
Calcium
Higher than 67%
Same value as 0 of 901 other records.
leastmost

Questions

How many calories are in fennel, raw?: 100 g: 27 calories; protein: 0.92 g, carbohydrates: 5.5 g, fat: 0.14 g.
How much protein is in fennel, raw?: 0.92 g per 100 g. Its estimated share of calories is 14%, using 4 kcal per gram of protein.
How many net carbs are in fennel, raw?: 3.4 g per 100 g. Calculated as carbohydrate minus fiber, floored at zero.

Similar foods

All 26 reported nutrients, per 100 g+

Water	92.6 g
Energy (Atwater General Factors)	26.9 kcal
Nitrogen	0.15 g
Protein	0.92 g
Total lipid (fat)	0.14 g
Ash	0.86 g
Carbohydrate, by difference	5.5 g
Fiber, total dietary	2 g
Sugars, Total	3.2 g
Sucrose	0.26 g
Glucose	1.6 g
Fructose	1.3 g
Lactose	0 g
Maltose	0 g
Calcium, Ca	41.3 mg
Iron, Fe	0 mg
Magnesium, Mg	15 mg
Phosphorus, P	33.4 mg
Potassium, K	332 mg
Sodium, Na	49 mg
Zinc, Zn	0.14 mg
Copper, Cu	0.073 mg
Manganese, Mn	0.12 mg
Vitamin C, total ascorbic acid	14.7 mg
Biotin	1.9 µg
Folate, total	37 µg

Source: USDA Foundation Foods: analysed samples with full documentation. FDC ID 2747655, published 2025-12-18. Daily Values are the FDA's for adults and children 4 years and older. How we process USDA's data.