Calorie Database

Searchable online nutrition database


How many Calories in Walnuts?

688 Cals per 100g

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How many Calories in Mixed nuts?

How many Calories in Peanuts, dry roasted?

Find out more about Nuts and seeds general.

Walnuts also contains:

  • 3.3 g of carbohydrates,
  • 14.7 grams of protein,
  • 68.5 grams of fat and
  • 0.0 mg of cholesterol

per 100g serving.

That represents 34.4% of typical adult GDA (2,000 Cals) for calorie intake, 1.2% of carbohydrate GDA, 29.4% of protein GDA and 97.9% of fat GDA.

Traffic Light Labelling *

Fat High
Saturated Fat High
Sugar Low
Salt Low

* See the NHS Livewell pages for more information on food traffic light labelling.

For additional nutritional data about Walnuts including fibre, sugars, vitamins, minerals, fatty acids and more see the data table below.

Nutritional Data

All figures below are expressed per 100g edible portion.

Energy (Calories) 688 Kcals/Calories
Energy (Kilojoules) 2837 KJ
Water 2.8 g
Nitrogen 2.77 g
Protein 14.7 g
Fat 68.5 g
Carbohydrates 3.3 g
Starch 0.7 g
Sugar 2.6 g
Fibre 3.5 g
Alcohol 0.0 g/ml
Saturated fatty acids 7.47 g
Polyunsaturated fatty acids 46.76 g
Trans fatty acids 0.00 g
Cholesterol 0.0 mg


Retinol - Vitamin A 0 mcg
Carotene - Vitamin A 0 mcg
Retinol Equivalent 0 mcg
Vitamin D 0.0 mcg
Vitamin E 3.83 mg
Vitamin K1 mcg
Thiamin 0.40 mg
Riboflavin 0.14 mg
Niacin 1.2 mg
Tryptophan 2.8 mg
Niacin Equivalent 4.0 mg
Vitamin B6 0.67 mg
Vitamin B12 0.0 mcg
Folate 66 mcg
Pantothenate 1.60 mg
Biotin 19.0 mcg
Vitamin C 0 mg


Sodium 7 mg
Potassium 450 mg
Calcium 94 mg
Magnesium 160 mg
Phosphorus 380 mg
Iron 2.90 mg
Copper 1.34 mg
Zinc 2.7 mg
Chloride 24 mg
Manganese 3.40 mcg
Selenium 3 mcg
Iodine 9 mcg


Food composition according to product labelling.

Energy (Calories) 698 Kcals/Cals
Energy (KJoules) 2882 KJ
Carbohydrates 3.1 g
Protein 17.3 g
Sugars 2.5 g
Starch 0.6 g


10 samples, kernel only

Data as FAN 14-850 with fatty acids from FA Supplement 14-860. Selenium from SAC Analysis of foods for Selenium 1994 MAFF Project 2B006

Value for ripe dried walnuts. Unripe walnuts contain 1300 to 3000mg vitamin C per 100g