Plain walnuts can fit a measured snack or recipe portion. Weighing is clearer than estimating a handful. The published reference is 7g net carbs per 100 g.
Are Walnuts Keto?

YOUR PORTION
How much are you having?
Per 100 g (Nuts, walnuts, english). USDA FoodData Central.
Scales this reference to your portion, with no extra deductions. Calculation and units.
7gnet carbs in your portion
- Total carbs
- 13.7g
- Fiber
- 6.7g
- Protein
- 15.2g
- Fat
- 65.2g
- Calories
- 654
The 100 g reference amount provides 7g net carbs and can fit common keto portions.
- Net carbs (100 g)7g
- Protein (100 g)15.2g
- Fat (100 g)65.2g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100 g (Nuts, walnuts, english)
Source: USDA FoodData Central reference record
Source fit: generic reference; variety, brand, or preparation may differ
Net-carb calculation: total carbohydrate - fiber
Generic reference: Nuts, walnuts, english. September 2026 arithmetic review used the existing USDA snapshot accessed 2026-07-09; it was not a fresh branded-product label check.
Nutrition record reviewed 2026-09-05. Maintained by KetoLens Team.
WHY IT'S KETO-FRIENDLY
- Try a weighed amount as a salad topping and count dressings separately.
PREPARATION SUGGESTIONS
TOASTED WITH CINNAMON
Lightly toast at 350°F (175°C) for ~8–10 minutes; toss with butter and cinnamon for a cozy, low-sugar snack.
WITH CHEESE AND OLIVES
Pair with sharp cheddar cheese and olives for a savory, high-fat snack board.
CANDIED WITH SWEETENER
Coat with melted butter, monk fruit/erythritol, and salt; bake until crisp for a keto ‘candied’ nut.
GROUND INTO FLOUR
Pulse into walnut meal for coating chicken/fish or enriching keto baking.
IN SALADS
Scatter over leafy greens with aged cheese and olive-oil vinaigrette.
NUT BUTTER
Blend into homemade walnut butter; add a pinch of salt and a drop of vanilla.