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Fennel BulbNutrition reference
Vegetables

Fennel Bulb

Fennel bulb is a crisp, aromatic vegetable with a mild licorice flavor. Per 100 g it provides 27 kcal and 5.49 g carbohydrate.

27
kcalper 100g
Carbs
5.49g
Protein
0.92g
Fat
0.14g
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Nutrition facts

Per 100 grams

Reference values
Measurement basis
Food state
Raw
Edible portion
Raw fennel bulb
Measurement basis
Per 100 g raw edible portion
Energy (kcal)
27 kcal
Protein1
0.921875 g
Carbohydrates1
5.48623 g
Fat1
0.14 g
Dietary fiber1
2.046 g
Sugars1
3.196 g
Saturated fat
0.09 g
Sodium1
49.03 mg
More nutrients26
Energy (kJ)
112.5 kJ
Trans fat2
0 g
Cholesterol2
0 mg
Calcium1
41.3 mg
Potassium1
332.4 mg
Magnesium1
14.98 mg
Iron31
<0.25 mg
Zinc1
0.1413 mg
Vitamin B1
0.01 mg
Vitamin B2
0.032 mg
Vitamin B3
0.64 mg
Vitamin B5
0.232 mg
Vitamin B6
0.047 mg
Vitamin B71
1.938 µg
Vitamin B9 (folate)1
37.02 µg
Vitamin B122
0 µg
Vitamin C1
14.7 mg
Vitamin D2
0 µg
Vitamin K4
4.1 µg
Vitamin A (RAE)
48 µg
Retinol2
0 µg
Beta-carotene
578 µg
Alpha-carotene
0 µg
Beta-cryptoxanthin
0 µg
Vitamin E (alpha-tocopherol)
0.58 mg
Vitamin K1 (phylloquinone)1
4.1 µg
  1. Assumed zero by source
  2. Below quantification limit
  3. Definition or source pending review
  1. Additional data source[1]

Data sources

2
  1. 1

    USDA FoodData Central — Foundation Foods

    2747655 (NDB 11957) · Foundation; FDC published 2025-12-18; acquisition 2025

  2. 2

    U.S. Department of Agriculture, Agricultural Research Service

    169385 · SR Legacy April 2018; 2019-04-01

About this food

Understanding this nutrition reference

Fennel bulb is a crisp, white vegetable with a mild licorice-like flavor and feathery green fronds. It is eaten raw in salads, roasted, braised, or sautéed.

Per 100 g raw edible portion, the USDA source reports 27 kcal, 5.49 g carbohydrate, 0.92 g protein, 0.14 g fat and 2 g dietary fiber.

Use the serving sizes below to estimate portions when logging.

Plan your portion

How much is in your serving of Fennel Bulb?

Nutrition values are reported per 100 g. A typical cup of sliced fennel (about 87 g) provides roughly 23 kcal. Use the serving sizes below to estimate portions when logging.

Calculated from the per-100-g reference. Values are rounded.
ServingWeightCaloriesCarbsProteinFat
100 g100 g27 kcal5.5 g0.9 g0.1 g
1 cup sliced87 g23.5 kcal4.8 g0.8 g0.1 g
1/2 cup sliced44 g11.9 kcal2.4 g0.4 g0.1 g

Use the weight of the edible portion in the food state shown above.

Energy (kcal)
27 kcal
Energy (kJ)
112.5 kJ
Protein1
0.921875 g
Carbohydrates1
5.48623 g
Fat1
0.14 g
Dietary fiber1
2.046 g
Sugars1
3.196 g
Saturated fat
0.09 g
Trans fat2
0 g
Cholesterol2
0 mg
Sodium1
49.03 mg
Calcium1
41.3 mg
Potassium1
332.4 mg
Magnesium1
14.98 mg
Iron31
<0.25 mg
Zinc1
0.1413 mg
Vitamin B1
0.01 mg
Vitamin B2
0.032 mg
Vitamin B3
0.64 mg
Vitamin B5
0.232 mg
Vitamin B6
0.047 mg
Vitamin B71
1.938 µg
Vitamin B9 (folate)1
37.02 µg
Vitamin B122
0 µg
Vitamin C1
14.7 mg
Vitamin D2
0 µg
Vitamin K4
4.1 µg
Vitamin A (RAE)
48 µg
Retinol2
0 µg
Beta-carotene
578 µg
Alpha-carotene
0 µg
Beta-cryptoxanthin
0 µg
Vitamin E (alpha-tocopherol)
0.58 mg
Vitamin K1 (phylloquinone)1
4.1 µg

Questions and answers

Fennel Bulb nutrition FAQ

How many calories are in fennel bulb?

Fennel bulb provides about 27 calories per 100 g.

Is fennel bulb low in calories?

Fennel bulb provides 27 kcal and 0.14 g fat per 100 g raw edible portion.

Does fennel bulb taste like licorice?

Yes. Fennel bulb has a mild licorice-like flavor.

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