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Pecan nuts, kernel only, weighed with shells

Pecan nuts are tree nuts with an edible kernel inside a hard shell. The figures here describe the kernel only, but are based on the weight of the nuts with their shells, not the weight of the kernels alone. Per 100g weighed with shells, they provide 1390 kJ of energy, 34g of fat, 2.8g of saturated fat and 4.5g of protein.

Most of the fat in pecan kernels is unsaturated. Fat provides energy and helps the body absorb fat-soluble vitamins, while protein supports the maintenance and repair of body tissues. The fat and energy content are relevant for people monitoring their energy intake. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

337 kcal

Energy

1390 kJ

Fat

34g

of which saturates

2.8g

Carbohydrate

2.8g

of which sugars

2.1g

Protein

4.5g

Salt

Trace

Water

1.8g

Cholesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

4µg

Vitamin D

0µg

Vitamin E

2.1mg

Vitamin C

0mg

Thiamin (B1)

0.35mg

Riboflavin (B2)

0.07mg

Niacin (B3)

0.7mg

Vitamin B6

0.09mg

Vitamin B12

0µg

Folate

19µg

Calcium

30mg

Iron

1.1mg

Magnesium

64mg

Phosphorus

150mg

Potassium

250mg

Sodium

Trace

Zinc

2.6mg

Copper

0.52mg

Selenium

6µg

Other types of pecan nuts

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Pecan nuts, kernel only

689 kcal

9.2g

70g

–

About these figures

Values are per 100g of the food as described (Calculated from 14-837). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Further reading and references

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Article history

The information on this page is written and peer reviewed by qualified clinicians.
  • 4 Nov 2026 | Latest version
  • 3 Nov 2026 | Originally published