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

Logging hazelnuts the slow way?

Snap a photo of your plate and NibbleCal logs the calories and macros for you — in about 3 seconds.

Try it with a photo

Free forever plan · No credit card required

More legumes & nuts

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