Caloric and Nutritional Breakdown of 100g Walnuts (2026 Guide)

July 10, 2026

What Are the Calories in 100g of Walnuts?

Walnuts are a nutrient-rich nut packed with healthy fats, protein, and essential vitamins. In a 100g serving of walnuts, there are approximately 654 calories. This makes them a high-energy food, providing ample nourishment while also being a great source of omega-3 fatty acids.

What Nutrients Are Found in 100g of Walnuts?

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Walnuts are not just calorie-dense; they're also loaded with vital nutrients. Here’s a detailed breakdown:

Nutrient Amount per 100g
Calories 654 kcal
Protein 15.2 g
Fat 65.2 g
Carbohydrates 13.7 g
Dietary Fiber 6.7 g
Sugars 2.6 g
Vitamin E 0.7 mg
Magnesium 158 mg

This table highlights how walnuts can be a source of healthy fats and various other micronutrients.

How Do Walnuts Benefit Your Health?

Incorporating walnuts into your diet can lead to various health benefits, such as:

How Can You Include Walnuts in Your Diet?

Here are some tasty ways to incorporate walnuts into your meals:

If you're looking for an easy way to track your calorie intake while enjoying your favorite foods like walnuts, check out slimmerai.app. This free mobile app allows you to take a photo of your food and receive instant calorie and nutrient breakdowns without manual logging.

Are There Any Risks to Eating Walnuts?

While walnuts have numerous benefits, they should be consumed in moderation, especially for those watching their calorie intake. Here are some considerations:

Frequently Asked Questions

How many walnuts make up 100g?

Approximately 14 halves of walnuts make up a 100g serving.

Are walnuts good for weight loss?

While walnuts are calorie-dense, their high fiber and healthy fat content can help you feel full, which may assist in weight management.

Can I eat walnuts every day?

Yes, incorporating a handful of walnuts into your daily diet can provide health benefits, but be mindful of portion sizes.

How do walnuts compare to other nuts?

Walnuts generally have a higher omega-3 fatty acid content compared to many other nuts, making them a great choice for heart health.

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