HazelnutsNutrition reference
Nuts & Seeds

Hazelnuts

Hazelnuts are small, round tree nuts with a sweet, nutty flavor, used in chocolate and baking. Per 100 g they provide about 641 calories with 13.5 g protein.

641.4
kcalper 100g
Carbs
26.5g
Protein
13.49g
Fat
53.49g
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Nutrition facts

Per 100 grams

Reference values
Measurement basis
Food state
Raw
Edible portion
Hazelnut kernels
Measurement basis
Per 100 g raw edible portion
Energy (kcal)
641.4 kcal
Protein
13.4938 g
Carbohydrates
26.5012 g
Fat
53.49 g
Dietary fiber
8.41 g
Sugars
4.34 g
Saturated fat
4.464 g
Sodium
0 mg
More nutrients16
Energy (kJ)
2683.6 kJ
Cholesterol
0 mg
Calcium
134.7 mg
Potassium
635.9 mg
Magnesium
155.8 mg
Iron
3.465 mg
Zinc
2.334 mg
Vitamin B1
0.643 mg
Vitamin B2
0.113 mg
Vitamin B3
1.8 mg
Vitamin B5
0.918 mg
Vitamin B6
0.563 mg
Vitamin B9 (folate)
113 µg
Vitamin B12
0 µg
Vitamin C
6.3 mg
Vitamin D
0 µg

Data sources

3
  1. 1

    USDA FoodData Central Foundation (2026-04-30 CSV) and SR Legacy (April 2018), CC0

    2515375 · Foundation Foods release 2026-04-30

  2. 2

    U.S. Department of Agriculture, Agricultural Research Service

    170581 · SR Legacy release April 2018

  3. 3

    Food Standards Australia New Zealand

    F006098 · Australian Food Composition Database Release 3, December 2025

About this food

Understanding this nutrition reference

Hazelnuts are small, round tree nuts with a sweet, rich flavor and a firm, crunchy texture. They are eaten raw or roasted and are widely used in chocolate, spreads, and baking.

Nutritionally, hazelnuts are high in fat. Per 100 g they provide about 641 kcal, 26.5 g of carbohydrates, 13.5 g of protein, 53.5 g of fat, and 8.4 g of dietary fiber.

Hazelnuts are energy-dense, so they are usually eaten in small portions. Use the serving sizes below to estimate portions when logging.

Plan your portion

How much is in your serving of Hazelnuts?

Nutrition values are reported per 100 g. A typical ounce (28 g) provides roughly 180 kcal. Use the serving sizes below to estimate portions when logging.

Calculated from the per-100-g reference. Values are rounded.
ServingWeightCaloriesCarbsProteinFat
100 g100 g641.4 kcal26.5 g13.5 g53.5 g
1 oz28 g179.6 kcal7.4 g3.8 g15 g
1/4 cup34 g218.1 kcal9 g4.6 g18.2 g

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

Energy (kcal)
641.4 kcal
Energy (kJ)
2683.6 kJ
Protein
13.4938 g
Carbohydrates
26.5012 g
Fat
53.49 g
Dietary fiber
8.41 g
Sugars
4.34 g
Saturated fat
4.464 g
Cholesterol
0 mg
Sodium
0 mg
Calcium
134.7 mg
Potassium
635.9 mg
Magnesium
155.8 mg
Iron
3.465 mg
Zinc
2.334 mg
Vitamin B1
0.643 mg
Vitamin B2
0.113 mg
Vitamin B3
1.8 mg
Vitamin B5
0.918 mg
Vitamin B6
0.563 mg
Vitamin B9 (folate)
113 µg
Vitamin B12
0 µg
Vitamin C
6.3 mg
Vitamin D
0 µg

Questions and answers

Hazelnuts nutrition FAQ

How many calories are in hazelnuts?

Hazelnuts provide about 641 calories per 100 g. A typical ounce (28 g) provides roughly 180 calories.

Are hazelnuts high in fat?

Yes. Hazelnuts provide about 53.5 g of fat per 100 g.

Are hazelnuts high in protein?

Hazelnuts provide about 13.5 g of protein per 100 g.