61 kcal P 10.3g C 3.64g F 0.37g
🥜 Nut and Seed Products
Calories in Nuts, walnuts, English, halves
Shaped like a brain, and one of the only nuts with real plant omega-3s to match
729 kcal
What makes nuts so powerful?
Walnuts' brain-like wrinkled shape is just convergent structure for packing maximum surface area into a small shell, but it's given rise to centuries of folk belief that they're specifically good for brain health, and there's a real nutritional thread there: walnuts are one of the only nuts with a substantial amount of alpha-linolenic acid, a plant-based omega-3 fat that other nuts like almonds, cashews, and pistachios barely contain. Walnuts also have one of the highest total antioxidant levels of any commonly eaten nut, concentrated mostly in the thin brown skin clinging to the nutmeat, the same skin many people peel off and discard, unknowingly tossing a meaningful share of the nut's polyphenols.
The "brain food" myth has a real thread
Walnuts are uniquely rich in ALA, a plant omega-3 fat other common nuts barely have.
Most antioxidants are in the skin
The thin brown skin on the nutmeat carries a large share of walnuts' polyphenol content.
Among the oldest cultivated tree nuts
Walnut cultivation dates back thousands of years across Persia, Greece, and Rome.
💡 When & how to use it
Don't peel off the thin brown skin if you can avoid it — that's where much of the antioxidant content lives. Store walnuts in the fridge or freezer rather than the pantry; their high fat content, mostly polyunsaturated, makes them go rancid faster than more saturated nuts like macadamias.
Calories by Serving Size
100g
729 kcal
P 14.6g C 10.9g F 69.7g
1 RACC (30g)
219 kcal
P 4.4g C 3.3g F 20.9g
200g
1458 kcal
P 29.2g C 21.8g F 139.4g
50g
365 kcal
P 7.3g C 5.5g F 34.9g
Full Nutrition Facts
Per 100g — daily values based on a 2,000 calorie diet
Nutrition Facts
Serving size: 100g
Calories 729
% Daily Value*
Total Fat 69.7g 89%
Saturated Fat 6.05g 30%
Sodium 0mg 0%
Total Carbohydrate 10.9g 4%
Dietary Fiber 5.21g 19%
Protein 14.6g 29%
Calcium 88.3mg 7%
Iron 2.24mg 12%
Potassium 424mg 9%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
How does Nuts fit your daily goals?
146 min
Walking to burn 729 kcal
36%
of 2,000 kcal daily goal
14.6g
protein (29% of daily 50g)
3
servings until 2,000 kcal
Log Nuts in CalRay — just snap a photo
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Frequently Asked Questions
How many calories are in Nuts, walnuts, English, halves?
Nuts, walnuts, English, halves contains 729 calories per 100g. A standard serving of 1 RACC (30g) provides 219 calories. It is relatively calorie-dense, so portion control is important.
How much protein does Nuts, walnuts, English, halves have?
Nuts, walnuts, English, halves provides 14.6g of protein per 100g, which is 29% of the 50g daily recommended value. It is a good source of protein.
How many carbs are in Nuts, walnuts, English, halves?
Nuts, walnuts, English, halves contains 10.9g of carbohydrates per 100g . It also provides 5.21g of dietary fiber.
Is Nuts, walnuts, English, halves good for weight loss?
Nuts, walnuts, English, halves has 729 kcal per 100g, so portions need to be monitored on a weight-loss diet. Use CalRay to track your intake accurately. Its fiber content (5.21g/100g) also promotes fullness.
How do I track Nuts, walnuts, English, halves calories accurately?
The easiest way to track nuts is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.
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