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Nuts & Seeds
Walnuts
654 kcal per 100g
Nutrition Facts
Serving size: 100g
Calories654
per serving
Total Fat65.2g
Total Carbohydrate13.7g
Dietary Fiber6.7g
Total Sugars2.6g
Protein15.2g
Sodium2mg
Health Info
Walnuts are one of the few plant foods with a significant amount of ALA omega-3 fatty acids — about 2.5g per 28g serving. Regular consumption has been linked in randomized trials to improvements in LDL cholesterol and inflammatory markers. They are calorie-dense, so portion control matters.
Macros per 100g
654kcal
Calories
15.2g
Protein
13.7g
Carbs
65.2g
Fat
Values per 100 g are based on recognised nutrition reference data. Last reviewed: May 2026. View sources
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Frequently Asked Questions
- How many calories are in Walnuts?
- Walnuts has 654 kcal per 100 g. A typical 28 g serving contains about 183 kcal.
- How much protein is in Walnuts?
- Walnuts provides 15.2 g of protein per 100 g.
- How many carbs are in Walnuts?
- Walnuts contains 13.7 g of carbohydrates per 100 g, of which 2.6 g is sugar.
- How much fat is in Walnuts?
- Walnuts contains 65.2 g of fat per 100 g. It also provides 6.7 g of fiber per 100 g.
- Is Walnuts good for weight loss?
- Walnuts is calorie-dense at 654 kcal per 100 g, so keep portion sizes in check when losing weight. Its 15.2 g of protein per 100 g also helps with satiety.