There are about 654 calories in 100 grams of walnuts.
The Ministry of Health's table lists 2 entries for walnuts, from 294 to 654 calories per 100 grams. The number here is for Nuts, walnuts, shelled, unsalted, the entry that stands for the food on this page.
How many calories are in a portion of walnuts?
A weight in grams, or one of the food's own units, works out the calories and nutrients of that portion.
- Calories
- 654
- Protein
- 15.2 g
- Fat
- 65.2 g
- Carbohydrates
- 7 g
- Sodium
- 2 mg
Walnuts comes in these common portions, with the calories of each.
| Portion | Weight | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|---|
| unit | 5.5 g | 36 | 0.84 | 3.6 | 0.39 |
| cup | 100 g | 654 | 15.2 | 65.2 | 7 |
100 grams of walnuts contain 15.2 grams of protein, 65.2 grams of fat and 7 grams of carbohydrates.
- Protein15.2 g
- Fat65.2 g
- Saturated fat6.1 g
- Carbohydrates7 g
- Sugars2.6 g
- Dietary fibre6.7 g
- Sodium2 mg
- Cholesterol0 mg
These vitamins and minerals are in 100 grams of walnuts, as the Ministry lists them.
- Calcium
- 98 mg
- Iron
- 2.9 mg
- Potassium
- 441 mg
- Magnesium
- 158 mg
- Zinc
- 3.1 mg
- Vitamin C
- 1.3 mg
- Vitamin A
- 1 mcg
- Folate
- 98 mcg
The Ministry of Health lists 2 entries for walnuts.
The numbers are per 100 grams. Brands, ways of cooking and sizes each have a row of their own.
| Entry | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|
| Nuts, walnuts, shelled, unsaltedThe entry used above | 654 | 15.2 | 65.2 | 7 |
| Nuts, walnuts, with shell, unsalted | 294 | 6.9 | 29.3 | 6.2 |
These foods are close to walnuts in calories.
These are the questions people ask about the calories in walnuts.
How many calories are in walnuts?
100 grams of walnuts have about 654 calories. The Ministry of Health's table lists 2 entries for it, from 294 to 654 calories per 100 grams.
How many calories are in 50, 100 and 200 grams of walnuts?
50 grams have 327 calories, 100 grams have 654 and 200 grams have 1308.
How much protein, fat and carbohydrates are in walnuts?
In 100 grams there are 15.2 g of protein, 65.2 g of fat and 7 g of carbohydrates, of which 2.6 g are sugars.
How many calories are in one unit of walnuts?
The Ministry's table gives 5.5 grams for one unit of walnuts, which is 36 calories.
The foods, their nutrients and their unit weights are the national nutrition table of the Ministry of Health, read on 5 November 2026. The figures are averages per 100 grams of the food as the table lists it.