Last updated: June 17, 2026
Nutrition facts per 100 g
Calories in Walnuts
Walnuts has about 654 calories per 100 g, with 15 g protein, 65 g fat and 14 g carbs.
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Serving size calculator
Nutrition table
| Portion | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|
| 100 g | 654 kcal | 15 g | 65 g | 14 g |
| 1 handful (28 g) | 183 kcal | 4.2 g | 18.2 g | 3.9 g |
| 50 g | 327 kcal | 7.5 g | 32.5 g | 7 g |
| 200 g | 1308 kcal | 30 g | 130 g | 28 g |
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Open FoodWarzGoogle Play sooniOS soonHow long to burn walnuts calories?
A 28 g portion is about 183 calories, roughly 46 minutes of brisk walking for many adults.
What changes the calories?
Oil, sauces, sugar, toppings, cooking method and portion weight can change walnuts calories quickly.
FAQ
How many calories are in walnuts?
Walnuts has about 654 calories per 100 g. A typical handful (28 g) has about 183 calories.
How much protein is in walnuts?
Walnuts has about 15 g protein per 100 g and about 4.2 g protein per handful.
Is walnuts 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.
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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 methodologyNutrition values are estimates for calorie tracking and may vary by recipe, brand, cooking method and portion size. Not medical advice.