Calories in Hazelnuts

176kcal per 1 oz (28 g)

628 kcal per 100 g · about 9% of a 2,000-kcal day

Hazelnuts bring a sweet, toasty flavor — the one behind chocolate spreads — at about 176 calories an ounce. Whole, they carry solid fiber and protein.

Hazelnuts nutrition facts

NutrientPer 100 gPer 1 oz
Calories628 kcal176 kcal
Protein15 g4.2 g
Carbs16.7 g4.7 g
Fat60.8 g17 g
Fiber9.7 g2.7 g
Sugar4.3 g1.2 g

Where the calories come from

Hazelnuts calories by serving size

ServingCaloriesProteinCarbsFat
1 oz (28 g)176 kcal4.2 g4.7 g17 g
50 g314 kcal7.5 g8.4 g30.4 g
100 g628 kcal15 g16.7 g60.8 g
200 g1256 kcal30 g33.4 g121.6 g
250 g1570 kcal37.5 g41.8 g152 g

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More legumes & nuts

Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.