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Whole pecans are elongated, oval nuts with pointed tips, smooth ridged shells in warm tan and brown tones, and a slightly glossy surface.
●Low GI
★Natural
⚡High Potassium

Pecan (whole) Calories

Rich in magnesium and healthy fats, source of antioxidants

In season: Autumn · Winter

CALORIES · 100 G

691kcal

GI

10low

POTASSIUM · 100 G

410mg

FIBER · 100 G

9.6g

Quick answer

1 ounce (medium) of Pecan (whole) (28 g) has 193 calories. That works out to 691 calories per 100 g. It contains 3.9 g of carbs, 2.6 g of protein, 20.2 g of fat and 2.7 g of fiber. Its 1.3 mg of Manganese covers 55% of the Daily Value. Its glycemic index is 10 (low), so it raises blood sugar slowly.

Pecan (whole) Nutrition Facts

Selected: 1 ounce (medium) · 28 g

193

KCAL / 28G

Carbs

3.9g

· 1% DV

Protein

2.6g

· 5% DV

Fat

20.2g

· 26% DV

Fiber

2.7g

· 10% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 8% · Protein 5% · Fat 87%

Pecan (whole) nutrition facts table · 1 ounce (medium) (28 g)

NutrientAmount% DV
Calories193 kcal
Total fat20.2 g26%
Saturated fat1.74 g9%
Trans fat0 g
Sodium0 mg0%
Total carbohydrate3.9 g1%
Fiber2.7 g10%
Protein2.6 g5%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 oz of Pecan (whole)?

ServingAmountCalories
1 ounce (medium)28 g193 kcal
1 piece (whole)2.5 g17 kcal
1 tablespoon (chopped)8 g55 kcal
10 piece (whole)25 g173 kcal
1 serving (medium)30 g207 kcal
½ cup (whole)54 g373 kcal
100 g100 g691 kcal
1 cup (whole)109 g753 kcal

Calculated from 691 calories per 100 g.

Frequently Asked Questions About Pecan (whole)

Are pecans good for you?

Yes, pecans can be a nutritious choice: they provide mostly unsaturated fats, magnesium, and antioxidant compounds. Add them to a balanced meal or snack, but don’t expect one food to prevent or treat disease.

What is the difference between pecans and walnuts?

Pecans are generally sweeter, milder, and more elongated than walnuts, which have a more pronounced, sometimes bitter flavor. They come from different trees, though either can often replace the other in baking with a change in taste.

How do you crack whole pecans?

Use a nutcracker to squeeze a whole pecan gently until its shell cracks. Avoid crushing it too hard if you want intact halves. If you don’t have a nutcracker, wrap the pecan in a kitchen towel and crack it carefully.

How should you store pecans?

Keep pecans in an airtight container away from heat and light. Shelled pecans lose freshness sooner than whole pecans, so refrigerating them is useful in a warm kitchen. Seal them well to keep them from absorbing other food odors.

Can you freeze pecans?

Yes, pecans freeze well. Put them in an airtight, freezer-safe container or bag, removing as much excess air as practical. You can use them straight from the freezer in baking, or thaw them before eating.

How can you tell if pecans have gone bad?

Rancid pecans can taste bitter or stale and may smell sharp or like paint. Discard pecans with an unusual odor or flavor rather than trying to mask it in a recipe.

Can you eat pecans raw?

Yes, pecans can be eaten raw once the hard outer shell is removed. The thin brown skin on the kernel is edible too; it may taste slightly more astringent than the nut itself.

How do you roast pecans?

Spread pecans in a single layer and roast them briefly, checking often because their high fat content makes them easy to burn. Let them cool after roasting; they crisp up as they cool.

Can you eat a pecan shell?

No, the hard outer shell of a pecan is not eaten; crack it and eat the kernel inside. The kernel’s thin brown skin is edible and does not need to be removed.

How many pecans should you eat a day?

There is no fixed daily amount that suits everyone. About 28 grams, or a small handful, is a practical serving; pecans are rich, so a much larger handful can make a snack substantial.

Pecan (whole) Vitamins & Minerals

Vitamins

B1

0.18mg · 15% DV

Biotin

1.68µg · 6% DV

B5

0.24mg · 5% DV

B6

0.06mg · 4% DV

Minerals

Manganese

1.26mg · 55% DV

Copper

0.34mg · 38% DV

Zinc

1.26mg · 11% DV

Phosphorus

78mg · 11% DV

Potassium ⭐

115mg · 3% DV

Sodium

0mg · 0% DV

Pecan (whole) Glycemic Index

GLYCEMIC INDEX

10
Low
0 Low5570100

GLYCEMIC LOAD

0.3
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Pecan (whole)

To burn the 193 calories in 1 ounce (medium) (28 g):

🚶

48min

Walking (5 km/h)

🏃

20min

Running (8 km/h)

🚴

26min

Cycling

🏊

23min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Pecan (whole)?

Pecan (whole) comes from a tree native to North America. The nuts have a delicate, buttery sweetness and a softer, less sharp flavour than walnuts. They’re eaten raw or toasted as a snack, and are familiar in North American baking, especially pies and cookies. You can also scatter them over porridge, salads or roasted vegetables; outside North America, they work much like other nuts in everyday cooking.

Pecans are rich in fat and provide fibre and magnesium, so they’re energy-dense despite their small size. A small handful makes a satisfying snack, while chopping them into a dish helps spread their rich flavour through each portion.

How Nutritious Is Pecan (whole)?

Nutrient density

High

70/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

44/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Pecan (whole) Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Pecan (whole) Contain Allergens?

Contains these allergens:

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts yes
Fish free
Soy free
Sesame free

Which Diets Is Pecan (whole) Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Pecan (whole) Fat Profile

SATURATED

1.74g

MONOUNSATURATED

11.42g

POLYUNSATURATED

6.05g

⚖️

Omega 6:3 ratio 72.1:1

Above the ideal 4:1 (72.1:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.