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Can hazelnuts fit a keto diet?

Hand-drawn editorial illustration of Hazelnuts.
Editorial illustration of Hazelnuts.

Nutrition facts for Hazelnuts​

Source-portion carb band: Lower net carbs per listed portion. The category is based only on calculated net carbs for the listed portion: 5 g or less, more than 5 g to 10 g, or more than 10 g. Your total intake, preparation, and clinical context can change how a food fits your own plan.

NutrientPer listed portion: 1 package (50 g)Per 100 g
Energy314 kcal628 kcal
Protein7.5 g15 g
Total fat30.4 g60.8 g
Saturated fat2.2 g4.5 g
Total carbohydrate8.4 g16.7 g
Dietary fiber4.9 g9.7 g
Calculated net carbs3.5 g7 g
Total sugars2.2 g4.3 g
Sodium0 mg0 mg
Potassium340 mg680 mg
The table keeps the USDA basis separate from the selected portion.
  1. Food formHazelnuts
  2. USDA per-100 g basis7 g calculated net carbs
  3. Selected source portion3.5 g calculated net carbs
  4. Calculation boundaryPortion value is calculated from the cited 100 g record and portion weight

Explore this food category​

Compare this form and portion with other records in nuts, seeds & legumes. The category hub explains why forms, preparation, and portions should not be treated as interchangeable.

For meal-level context, use the keto food list.

How the calculation works​

Calculated net carbs = total carbohydrate − dietary fiber. For this USDA record, that is 16.7 g − 9.7 g = 7 g per 100 g. Net carbs is a planning convention used on this site; it is not a separate USDA nutrient field or a regulatory nutrition-label value. This calculation does not automatically subtract sugar alcohols.

For the underlying approach and its limitations, see how net carbs are explained and the net-carb calculator.

Food record and source​

  • USDA food description: Hazelnuts
  • FoodData Central ID: FDC ID 2707502
  • Dataset: Survey (FNDDS) FNDDS 2021-2023 (2024-10-31)
  • Record publication date: 10/31/2024
  • Selected portion: 1 package (50 g)

The nutrition values are reported by the USDA per 100 g. The per-portion column above is calculated from that value and the USDA portion weight; no household measure was invented for this page.

  1. USDA FoodData Central, Survey (FNDDS) FNDDS 2021-2023 (2024-10-31), FDC ID 2707502. https://fdc.nal.usda.gov/food-search/?query=2707502, https://fdc.nal.usda.gov/fdc-datasets/FoodData_Central_survey_food_json_2024-10-31.zip
  • Unroasted pecans — Compare another food in the nuts seeds legumes whole food group.
  • Unroasted peanuts — Compare another food in the nuts seeds legumes whole food group.
  • Chia seeds — Compare another food in the nuts seeds legumes whole food group.

Browse all Food Database entries or start with the keto food list for practical meal-planning context.

Frequently Asked Questions

Can hazelnuts fit a keto diet?
Hazelnuts fit a keto diet only in a measured amount. 1 package (50 g) provides 3.5 g calculated net carbs.
How many net carbs are in Hazelnuts?
The listed 1 package (50 g) has 3.5 g calculated net carbs. Per 100 g, the record has 7 g calculated net carbs.
How are net carbs calculated for Hazelnuts?
247-Keto calculates net carbs as total carbohydrate minus dietary fiber, capped at zero. For this record, that is 16.7 g total carbohydrate minus 9.7 g fiber per 100 g. Sugar alcohols are not subtracted by this calculation.
Where do these Hazelnuts nutrition facts come from?
The values come from USDA FoodData Central's Survey (FNDDS) FNDDS 2021-2023 (2024-10-31) release, FDC ID 2707502. The page preserves the listed food description and portion weight so the comparison is traceable.

Article history

  1. Updated after final factual and editorial review
  2. First published

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