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Calories in Hazelnuts

100 g of Hazelnuts has about 628 calories. At the reference weight of 28 g, that is about 176 calories. Enter the amount you actually eat to calculate your portion.

Calories per 100 g

628 kcal

calories per 100 g

Protein
15 g
Fat
61 g
Carbs
17 g

These are reference values. Ingredients and preparation can change the result.

Macros in Hazelnuts

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In your portion

176 kcal

Protein
4.2 g
Fat
17.1 g
Carbs
4.8 g

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How to calculate calories in Hazelnuts

Multiply the calories per 100 g by your portion weight, then divide by 100. For the reference 28 g portion, the calculation is:

628 × 28 ÷ 100 ≈ 176 kcal

Reference portion: handful (28 g). This is an example amount, not a recommended portion. Weigh your food when possible: a cup, slice or piece can vary in size.

Check that the entry matches the food you have, including its preparation. If raw or cooked is not specified, check your label or a matching nutrition reference before logging it.

Calories by portion size

PortionCaloriesProteinFatCarbs
28 g176 kcal4.2 g17.1 g4.8 g
50 g314 kcal7.5 g30.5 g8.5 g
100 g628 kcal15 g61 g17 g
200 g1,256 kcal30 g122 g34 g

Additional nutrients · 100 g

Fiber
8.9 g
Sugars
4 g

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What changes the calories?

Oil, sauces, sugar, toppings, cooking method and portion weight can change hazelnuts calories quickly.

FAQ

How many calories are in a 28 g portion of Hazelnuts?

Using this reference entry, 28 g has about 176 calories. The calculator scales the per-100 g value; it does not identify your recipe or brand.

Can I use the same number for any cup, slice or piece?

No. Household measures and individual pieces can have different weights. Use the gram weight of the edible portion, or the serving weight printed on your package.

Is hazelnuts good for calorie tracking?

Yes, as long as you track portion size. The biggest source of error is usually weight, sauces, oil and mixed ingredients.

How Hazelnuts compares

No other food in this table has more calories per 100 g than Hazelnuts.

Calories, protein, fat and carbs per 100 g
FoodCaloriesProteinFatCarbs
Hazelnuts (this page)Most calories628 kcal15 g61 g17 g
Chia seedsFewest calories486 kcal17 g31 g42 g
Flaxseeds534 kcal18 g42 g29 g
Sunflower seeds584 kcal21 g51 g20 g
Pumpkin seeds559 kcal30 g49 g11 g
Peanut butter588 kcal25 g50 g20 g
Almond butter614 kcal21 g56 g19 g

Data sources

Reference values are compiled from USDA FoodData Central, Open Food Facts and curated food databases. Your actual portion may differ by recipe, brand and cooking method.

Nutrition data methodology

Nutrition values are estimates for calorie tracking and may vary by recipe, brand, cooking method and portion size. Not medical advice.

Last updated: October 3, 2026