Walnut - How Many Calories?

Reviewed by Dyt. Şeyda Ertaş, Registered Dietitian Last updated: January 4, 2026

Walnut

~5 g

Calculated from the 100 g values. ~ indicates an estimated serving weight.

Walnut image
33kcal
Carbohydrate0.7 g %7
Protein0.8 g %8
Fat3.3 g %84

Walnut Nutrition Values

Nutrients100 gr1 Piece (Medium)
Calories(kcal)65433
Carbohydrate (g)13.710.69
Protein (g)15.20.76
Fat (g)65.23.26
Fiber (g)6.70.34
Cholesterol (mg)00
Sodium (mg)20.1
Potassium (mg)52326.15
Calcium (mg)613.05
Iron (mg)3.120.16
Vitamin A (IU)402
Vitamin C (mg)1.70.09

Values are calculated from a 100 g basis. The product, recipe and edible serving weight can change the result. See the food-specific notes below for the reference used.

Dietitian's Tips for Consuming Walnut

  • Metabolic Effect: Walnuts help balance blood sugar and provide long-lasting satiety due to their healthy fats and fiber content. The omega-3 fatty acids they contain support brain functions and enhance cognitive performance.
  • Consumption Recommendation: You can consume walnuts alone as a snack or add them to your salads and yogurt to increase their nutritional value. Consuming them with oatmeal for breakfast helps you start the day energetically.
  • Things to Consider: Walnuts have a high calorie content, so it is important to pay attention to portion control. A handful of walnuts contains approximately 164 calories and meets a significant portion of your daily fat needs.
  • Exercise Equivalent: To burn the calories in a handful of walnuts, you need to walk briskly for about 25 minutes. This is an exercise that you can easily incorporate into your daily activity.