Food calories · USDA data
Calories in walnuts
186 calories
in 1 oz (14 halves), 28.4 g
- Protein
- 4.3 g
- Carbs
- 3.9 g
- Fat
- 18.5 g
- Fiber
- 1.9 g
Walnuts have 186 calories. That is USDA's figure for 1 oz (14 halves), which weighs 28.4 g. Per 100 g, walnuts have 654 calories.
Almost all of its calories, 84%, come from fat. It also carries 18.5 g of fat, 24% of the 78 g Daily Value.
It takes 15 g of walnuts to reach 100 calories, which is about 0.5 × 1 oz (14 halves).
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 oz (14 halves) | 28.4 g | 186 | 4.3 g | 3.9 g | 18.5 g |
| 1 cup, chopped | 117 g | 765 | 17.8 g | 16 g | 76.3 g |
| 1 cup, ground | 80 g | 523 | 12.2 g | 11 g | 52.2 g |
| 1 cup, in shell, edible yield (7 nuts) | 28 g | 183 | 4.3 g | 3.8 g | 18.3 g |
| 1 cup shelled (50 halves) | 100 g | 654 | 15.2 g | 13.7 g | 65.2 g |
| 1 oz | 28.3 g | 185 | 4.3 g | 3.9 g | 18.5 g |
| 100 g | 100 g | 654 | 15.2 g | 13.7 g | 65.2 g |
Portion weights are USDA's own. Your walnuts may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 9% of calories (15.2 g per 100 g)
- Carbohydrate: 8% (13.7 g per 100 g, of which 6.7 g fiber)
- Fat: 84% (65.2 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, almond butter has the fewest calories of these four (614 per 100 g) and pecans the most (691).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Walnuts | 654 | 15.2 g | 13.7 g | 65.2 g |
| Hazelnuts | 628 | 15 g | 16.7 g | 60.8 g |
| Pecans | 691 | 9.2 g | 13.9 g | 72 g |
| Almond butter | 614 | 21 g | 18.8 g | 55.5 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories are in walnuts?
Walnuts have 186 calories. USDA weighs 1 oz (14 halves) at 28.4 g, and walnuts has 654 calories per 100 g.
How much protein do walnuts have?
1 oz (14 halves) (28.4 g) has 4.3 g of protein, 9% of the 50 g Daily Value. Per 100 g it is 15.2 g.
How many carbs do walnuts have?
1 oz (14 halves) has 3.9 g of carbohydrate, including 1.9 g of fiber, and 18.5 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Nuts, walnuts, english (FDC ID 170187). Values are averages; a packaged food's label may differ.