Pistachio calories, by the nut, the ounce and the cup
162 calories in 49 pistachios
49 dry roasted pistachios make an ounce and have 162 calories. A single pistachio has 4 calories.
USDA's weights are for the kernels, the nuts without their shells, so count or weigh pistachios after shelling them.
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. Source checked September 29, 2026.
One nut, an ounce or a cup
A cup of dry roasted pistachios weighs 123 g and has 704 calories. Half a cup has 352.
| Portion | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg | Portion source |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 oz dry roasted pistachios | 28.35 g | 162 | 6 | 8 | 13 | 2.9 | 2.2 | 1.7 | 0 | USDA portion, 1 oz, 49 kernels |
| 1 dry roasted pistachio | 0.7 g | 4 | 0.1 | 0.2 | 0.3 | 0.1 | 0.1 | 0 | 0 | USDA portion, 1 kernel |
| 1 cup dry roasted pistachios | 123 g | 704 | 25.9 | 34.8 | 56.4 | 12.7 | 9.5 | 7.4 | 0 | USDA portion, 1 cup |
| Half a cup of dry roasted pistachios | 61.5 g | 352 | 12.9 | 17.4 | 28.2 | 6.3 | 4.8 | 3.7 | 0 | Half a cup, computed from USDA's 1 cup |
| 1 oz raw pistachios | 28.35 g | 159 | 5.7 | 7.7 | 12.8 | 3 | 2.2 | 0.3 | 0 | USDA portion, 1 oz, 49 kernels |
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. USDA FoodData Central. Nuts, pistachio nuts, raw. Source checked September 29, 2026.
Pistachio nutrition per ounce
An ounce of dry roasted pistachios has 13 g of fat, 6 g of protein and 8 g of carbs. Of those carbs, 2.9 g are fiber and 2.2 g are sugar.
Comparing nuts and seeds? Almonds, roasted pumpkin seeds and peanut butter each have a page, and the calorie references list the rest.
| Nutrient | 1 oz dry roasted pistachios | Per 100 g |
|---|---|---|
| Calories | 162 kcal | 572 kcal |
| Protein | 6 g | 21.1 g |
| Carbs | 8 g | 28.3 g |
| Fat | 13 g | 45.8 g |
| Fiber | 2.9 g | 10.3 g |
| Sugar | 2.2 g | 7.7 g |
| Sodium | 1.7 mg | 6 mg |
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. Source checked September 29, 2026.
Raw or dry roasted
Raw pistachios have 560 calories per 100 g and dry roasted have 572. An ounce of raw comes to 159 calories, against 162 roasted.
USDA lists the same 49 kernels in an ounce of each. The roasted record here has no added salt.
| Preparation | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg |
|---|---|---|---|---|---|---|---|---|---|
| Dry roasted pistachios, no salt added | 100 g | 572 | 21.1 | 28.3 | 45.8 | 10.3 | 7.7 | 6 | 0 |
| Raw pistachios | 100 g | 560 | 20.2 | 27.2 | 45.3 | 10.6 | 7.7 | 1 | 0 |
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. USDA FoodData Central. Nuts, pistachio nuts, raw. Source checked September 29, 2026.
Shell them, then weigh
Shell your pistachios first, then weigh the nuts and enter the grams below. The calculator uses dry roasted pistachios.
Lost count at the bottom of the bag? Tell TrueCal roughly what you ate and review its estimate.
28.35 g has about 162 calories.
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. Source checked September 29, 2026.
How many pistachios are in a serving?
USDA counts 49 kernels in an ounce, which has 162 calories when dry roasted.
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. Source checked September 29, 2026.
How much protein do pistachios have?
An ounce of dry roasted pistachios has 6 g of protein, and a cup has 25.9 g.
USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. Source checked September 29, 2026.
Log the portion you ate
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USDA FoodData Central. Nuts, pistachio nuts, dry roasted, without salt added. USDA FoodData Central. Nuts, pistachio nuts, raw. Source checked September 29, 2026.