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Calories in Walnuts

183 kcal per 1 oz (28 g) ยท654 kcal per 100 g

A serving of walnuts (1 oz, 28 g) has 183 calories, with 4.3 g protein, 3.8 g carbohydrate, 18.3 g fat and 1.9 g fibre. 100 g has 654 calories.

Nutrition facts

NutrientPer 100 gPer serving
Calories654 kcal183 kcal
Protein15.2 g4.3 g
Carbohydrate13.7 g3.8 g
Fat65.2 g18.3 g
Fibre6.7 g1.9 g

Serving shown: 1 oz (28 g). Values are reference estimates.

Calorie split

Protein
9%
Carbs
8%
Fat
84%

Calories per serving

  • 1 oz (28 g)183 kcal
  • 1/4 cup (29 g)190 kcal
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Common questions

How many calories are in walnuts?
A serving of walnuts (1 oz, 28 g) has 183 calories, with 4.3 g protein, 3.8 g carbohydrate, 18.3 g fat and 1.9 g fibre. 100 g has 654 calories.
How many calories are in 100 g of walnuts?
100 g of walnuts has 654 calories: 15.2 g protein, 13.7 g carbohydrate, 65.2 g fat and 6.7 g fibre.
How much protein is in walnuts?
There are 4.3 g of protein in 1 oz (28 g) (15.2 g per 100 g). 9% of its calories come from protein, so it's mostly fat.
How many calories are in other portions of walnuts?
1/4 cup (29 g): 190 kcal.

Values per 100 g come from USDA FoodData Central and standard food-composition tables; per-portion figures are calculated from them. Brands and recipes vary, so check the label when you have one.