Nuts & Seeds
Calories in Walnuts
Walnuts has 654 calories per 100g — that’s 183 calories in a typical serving (1 oz · 28 g).
| Nutrient | Per 100g | Per serving1 oz · 28 g |
|---|---|---|
| Calories | 654 kcal | 183 kcal |
| Protein | 15 g | 4.2 g |
| Carbs | 14 g | 3.9 g |
| Fat | 65 g | 18.2 g |
| Fiber | 6.7 g | 1.9 g |
| Sugar | 2.6 g | 0.7 g |
| Sodium | 2 mg | 1 mg |
Common kitchen measures
| Measure | Weight | Calories |
|---|---|---|
| 1 cup, ground | ≈ 80 g | 523 kcal |
Gram weights from USDA FoodData Central — reference values, not exact measurements.
Similar foods, similar calories
Closest matches in the same category — handy when you are deciding between two.
🧩 Tracking it shouldn’t be a chore
AI Calorie Camera is the calorie app for people who quit calorie apps. Snap a photo of your Walnuts and a puzzle piece falls into place — the AI gives you an honest range you can correct in a tap. Nothing resets, no red numbers, no broken-streak shame.
Get AI Calorie Camera — free on the App Store →Browse more in the food calorie lookup or try the free calorie calculators.
Frequently asked questions
- How many calories are in Walnuts?
- Walnuts has 183 calories per 1 oz (28 g).
- How many calories are in 100g of Walnuts?
- 100g of Walnuts has 654 calories, 15g protein, 14g carbs and 65g fat.
- How much protein is in Walnuts?
- Walnuts has 4.2g of protein per 1 oz (28 g).
- How many calories are in 1 cup, ground of Walnuts?
- 1 cup, ground of Walnuts (≈ 80 g) has about 523 kcal.
Values are typical reference figures and vary with brand, preparation, and portion. This is general information, not medical or dietary advice.