Calorie data · Nuts & Seeds← All foods

How many calories in
pistachios?

Pistachios are 560 calories per 100g. The shelled-vs-unshelled distinction matters: 1 oz shelled is the standard portion, ~49 nuts. Eating them in-shell naturally slows down intake, which is why they're often described as the 'pacing nut'.

560
kcal · 100g
20g
Protein
28g
Carbs
45g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical pistachios serving translates in your tracker:

Serving
Calories
Protein
1 oz (49 nuts, 28g)
159 kcal
5.7g
1/4 cup, shelled (30g)
170 kcal
6.1g
1/2 cup, shelled (60g)
339 kcal
12.1g
Track this food

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Point your iPhone camera at pistachios and SpotWell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.

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FAQ

Quick answers.

How many calories in pistachios?

Pistachios has approximately 560 calories per 100g. A typical serving — 1 oz (49 nuts, 28g) — comes in at 159 calories.

How much protein is in pistachios?

20g of protein per 100g. That puts pistachios at roughly 3.6g of protein per 100 calories — a useful lens when comparing to other nuts & seeds sources.

How do I log pistachios accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With SpotWell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.

Is pistachios good for weight loss?

It depends on your overall calorie target. Pistachios is calorie-dense at 560 kcal per 100g, so portion control matters more than with low-cal foods.