How many calories in walnuts?
654 kcal per 100 grams. Protein, carbs and fat below, plus how to log it in one sentence.
Walnuts: 654 kcal per 100 grams. A typical serving is about 30 g, so roughly 196 kcal.
Nutrition per 100 grams
| Nutrient | 100 g | 30 g serving |
|---|---|---|
| Calories | 654 kcal | 196 kcal |
| Protein | 15.2 g | 4.6 g |
| Carbohydrates | 13.7 g | 4.1 g |
| Fat | 65.2 g | 19.6 g |
How to log this in one sentence
No searching a database, no weighing every bite. In Makrosas you write what you ate in plain words and the calories and macros are worked out for you:
"walnuts 30 g"
That is it. If you would rather not type, photograph the plate or scan the barcode.
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Track your calories the fast way
Makrosas is a nutrition tracker built for Lithuania. It understands Lithuanian food, dishes and portions, so you never have to translate what you ate into an English product list. See how it works or browse all foods.
Nutrition data: USDA FoodData Central (US Department of Agriculture food composition database, public domain). The serving is a typical amount, and a specific product will vary.
Data updated: 2026-09.