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Walnut nutrition: calories, carbs, GI, protein, fiber, fats

Nuts, walnuts, english
*all the values are displayed for the amount of 100 grams
Article author photo Arpi Gasparyan by Arpi Gasparyan | Last updated on December 15, 2023
Medically reviewed by Elen Khachatrian Article author photo Elen Khachatrian
Walnut

Carbs in Walnut

100g of walnuts contain 13.71g of carbs, which covers 5% of the daily need (in the case of a 2000-calorie diet).

Macronutrients chart

16% 64% 14% 5% 2%
Protein:
Daily Value: 30%
15.2 g of 50 g
15.2 g (30% of DV )
Fats:
Daily Value: 100%
65.2 g of 65 g
65.2 g (100% of DV )
Carbs:
Daily Value: 5%
13.7 g of 300 g
13.7 g (5% of DV )
Water:
Daily Value: 0%
4.1 g of 2,000 g
4.1 g (0% of DV )
Other:
1.8 g
1.8 g

Carbs per serving size

The average serving size of walnuts is 14 halves (1 oz or 28.35g). One serving of walnuts contains 3.88g of carbs.

One cup of chopped walnuts (117g) contains 16g of carbs, whereas one cup of ground walnuts (80g) contains 11g of carbs.

Carbohydrate type breakdown

The predominant carb that breaks down to simple sugars is sucrose. Walnut contains an insignificant level of glucose, fructose, and starch.

Carbohydrate type breakdown

2% 91% 3% 3%
Starch: 0.06 g
Sucrose: 2.4 g
Glucose: 0.08 g
Fructose: 0.09 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g

Walnut net carbs

100g of walnuts contain 7.01g of net carbs, 51% of the overall carb content (17.31g). The remaining 49% (6.7g) is dietary fiber. As walnut is low in carbs, it is an excellent addition to low-carb diets, such as keto.

Soluble and insoluble fiber

One oz of walnuts contains ~1.8g dietary fiber: 25% (0.45g) soluble dietary fiber and 75% (1.35g) insoluble dietary fiber (1).

Fiber content ratio for Walnut

19% 49% 32%
Sugar: 2.6 g
Fiber: 6.7 g
Other: 4.4 g

Walnut Calories

Calories per 100g

Walnut is a high-calorie food. One hundred grams of walnuts provides 654 calories, predominantly provided by fats.

Article author photo Arpi Gasparyan
Education: General Medicine at YSMU
Last updated: December 15, 2023
Medically reviewed by Elen Khachatrian

Important nutritional characteristics for Walnut

Walnut
Glycemic index ⓘ Source:
Check out our Glycemic index chart page for the full list.
0 (low)
Insulin index  ⓘ https://www.researchgate.net/publication/26770180 – 7 7
Calories  ⓘ Calories for selected serving 654 kcal
Net Carbs  ⓘ Net Carbs = Total Carbohydrates – Fiber – Sugar Alcohols 7 grams
Default serving size  ⓘ Serving sizes are mostly taken from FDA's Reference Amounts Customarily Consumed (RACCs) 1 oz (14 halves) (28.35 grams)
Acidity (Based on PRAL)  ⓘ PRAL (Potential renal acid load) is calculated using a formula. On the PRAL scale the higher the positive value, the more is the acidifying effect on the body. The lower the negative value, the higher the alkalinity of the food. 0 is neutral. 5.6 (acidic)
Oxalates  ⓘ https://www.sciencedirect.com/science/article/abs/pii/S0889157513000902 54 mg
TOP 2% Calories ⓘHigher in Calories content than 98% of foods
TOP 2% Fats ⓘHigher in Fats content than 98% of foods
TOP 8% Polyunsaturated fat ⓘHigher in Polyunsaturated fat content than 92% of foods
TOP 12% Magnesium ⓘHigher in Magnesium content than 88% of foods
TOP 14% Phosphorus ⓘHigher in Phosphorus content than 86% of foods

Walnut calories (kcal)

Serving Size Calories Weight
Calories in 100 grams 654
Calories in 1 cup, chopped 765 117 g
Calories in 1 cup, ground 523 80 g
Calories in 1 cup pieces or chips 785 120 g

Walnut Glycemic index (GI)

0

Mineral coverage chart

Calcium Calcium Iron Iron Magnesium Magnesium Phosphorus Phosphorus Potassium Potassium Sodium Sodium Zinc Zinc Copper Copper Manganese Manganese Selenium Selenium 29% 109% 113% 148% 39% 0.26% 84% 529% 445% 27%
Calcium: 294mg of 1,000mg 29%
Iron: 8.7mg of 8mg 109%
Magnesium: 474mg of 420mg 113%
Phosphorus: 1038mg of 700mg 148%
Potassium: 1323mg of 3,400mg 39%
Sodium: 6mg of 2,300mg 0.26%
Zinc: 9.3mg of 11mg 84%
Copper: 4.8mg of 1mg 529%
Manganese: 10mg of 2mg 445%
Selenium: 15µg of 55µg 27%

Mineral chart - relative view

158 mg
TOP 12%
346 mg
TOP 14%
441 mg
TOP 15%
1.6 mg
TOP 15%
2.9 mg
TOP 22%
98 mg
TOP 23%
3.4 mg
TOP 26%
3.1 mg
TOP 30%
4.9 µg
TOP 68%
2 mg
TOP 96%

Vitamin coverage chart

Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin C Vit. C Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Folate Folate Vitamin B12 Vit. B12 Choline Choline Vitamin K Vit. K 1.2% 14% 0% 4.3% 85% 35% 21% 34% 124% 74% 0% 21% 6.8%
Vitamin A: 60IU of 5,000IU 1.2%
Vitamin E: 2.1mg of 15mg 14%
Vitamin D: 0µg of 10µg 0%
Vitamin C: 3.9mg of 90mg 4.3%
Vitamin B1: 1mg of 1mg 85%
Vitamin B2: 0.45mg of 1mg 35%
Vitamin B3: 3.4mg of 16mg 21%
Vitamin B5: 1.7mg of 5mg 34%
Vitamin B6: 1.6mg of 1mg 124%
Folate: 294µg of 400µg 74%
Vitamin B12: 0µg of 2µg 0%
Choline: 118mg of 550mg 21%
Vitamin K: 8.1µg of 120µg 6.8%

Vitamin chart - relative view

0.54 mg
TOP 23%
98 µg
TOP 24%
0.34 mg
TOP 24%
1.3 mg
TOP 39%
0.7 mg
TOP 51%
0.57 mg
TOP 54%
0.15 mg
TOP 58%
20 IU
TOP 58%
2.7 µg
TOP 61%
1.1 mg
TOP 67%
39 mg
TOP 68%
Vitamin D
0 µg
TOP 100%
0 µg
TOP 100%

Protein quality breakdown

Tryptophan Tryptophan Threonine Threonine Isoleucine Isoleucine Leucine Leucine Lysine Lysine Methionine Methionine Phenylalanine Phenylalanine Valine Valine Histidine Histidine 182% 170% 134% 129% 61% 67% 122% 124% 168%
Tryptophan: 510mg of 280mg 182%
Threonine: 1788mg of 1,050mg 170%
Isoleucine: 1875mg of 1,400mg 134%
Leucine: 3510mg of 2,730mg 129%
Lysine: 1272mg of 2,100mg 61%
Methionine: 708mg of 1,050mg 67%
Phenylalanine: 2133mg of 1,750mg 122%
Valine: 2259mg of 1,820mg 124%
Histidine: 1173mg of 700mg 168%

Fat type information

10% 14% 76%
Saturated Fat: 6.1 g
Monounsaturated Fat: 8.9 g
Polyunsaturated fat: 47 g

All nutrients for Walnut per 100g

Nutrient Value DV% In TOP % of foods Comparison
Calories 654kcal 33% 2% 13.9 times more than OrangeOrange
Protein 15g 36% 33% 5.4 times more than BroccoliBroccoli
Fats 65g 100% 2% 2 times more than CheeseCheese
Vitamin C 1.3mg 1% 39% 40.8 times less than LemonLemon
Net carbs 7g N/A 52% 7.7 times less than ChocolateChocolate
Carbs 14g 5% 43% 2.1 times less than RiceRice
Cholesterol 0mg 0% 100% N/AEgg
Vitamin D 0µg 0% 100% N/AEgg
Magnesium 158mg 38% 12% 1.1 times more than AlmondsAlmonds
Calcium 98mg 10% 23% 1.3 times less than MilkMilk
Potassium 441mg 13% 15% 3 times more than CucumberCucumber
Iron 2.9mg 36% 22% 1.1 times more than Beef broiledBeef broiled
Sugar 2.6g N/A 57% 3.4 times less than Coca-ColaCoca-Cola
Fiber 6.7g 27% 15% 2.8 times more than OrangeOrange
Copper 1.6mg 176% 15% 11.2 times more than ShiitakeShiitake
Zinc 3.1mg 28% 30% 2 times less than Beef broiledBeef broiled
Starch 0.06g 0% 97% 254.8 times less than PotatoPotato
Phosphorus 346mg 49% 14% 1.9 times more than Chicken meatChicken meat
Sodium 2mg 0% 96% 245 times less than White BreadWhite Bread
Vitamin A 1µg 0% 72%
Vitamin E 0.7mg 5% 51% 2.1 times less than KiwiKiwi
Manganese 3.4mg 148% 26%
Selenium 4.9µg 9% 68%
Vitamin B1 0.34mg 28% 24% 1.3 times more than Pea rawPea raw
Vitamin B2 0.15mg 12% 58% 1.2 times more than AvocadoAvocado
Vitamin B3 1.1mg 7% 67% 8.5 times less than Turkey meatTurkey meat
Vitamin B5 0.57mg 11% 54% 2 times less than Sunflower seedsSunflower seeds
Vitamin B6 0.54mg 41% 23% 4.5 times more than OatOat
Vitamin B12 0µg 0% 100% N/APork
Vitamin K 2.7µg 2% 61% 37.6 times less than BroccoliBroccoli
Folate 98µg 25% 24% 1.6 times more than Brussels sproutsBrussels sprouts
Choline 39mg 7% 68%
Saturated Fat 6.1g 31% 20% Equal to Beef broiledBeef broiled
Monounsaturated Fat 8.9g N/A 18% 1.1 times less than AvocadoAvocado
Polyunsaturated fat 47g N/A 8% Equal to WalnutWalnut
Tryptophan 0.17mg 0% 69% 1.8 times less than Chicken meatChicken meat
Threonine 0.6mg 0% 71% 1.2 times less than Beef broiledBeef broiled
Isoleucine 0.63mg 0% 71% 1.5 times less than Salmon rawSalmon raw
Leucine 1.2mg 0% 71% 2.1 times less than Tuna BluefinTuna Bluefin
Lysine 0.42mg 0% 78% 1.1 times less than TofuTofu
Methionine 0.24mg 0% 74% 2.5 times more than QuinoaQuinoa
Phenylalanine 0.71mg 0% 68% 1.1 times more than EggEgg
Valine 0.75mg 0% 70% 2.7 times less than Soybean rawSoybean raw
Histidine 0.39mg 0% 71% 1.9 times less than Turkey meatTurkey meat
Fructose 0.09g 0% 92% 65.6 times less than AppleApple
Omega-3 - EPA 0g N/A 100% N/ASalmon
Omega-3 - DHA 0g N/A 100% N/ASalmon
Omega-3 - DPA 0g N/A 100% N/ASalmon
Omega-6 - Eicosadienoic acid 0g N/A 100%

Check out similar food or compare with current

NUTRITION FACTS LABEL

Nutrition Facts
___servings per container
Serving Size ______________
Amount Per 100g
Calories 654
% Daily Value*
100%
Total Fat 65g
28%
Saturated Fat 6.1g
0
Trans Fat 0g
0
Cholesterol 0mg
0.09%
Sodium 2mg
4.6%
Total Carbohydrate 14g
27%
Dietary Fiber 6.7g
Total Sugars 0g
Includes ? g Added Sugars
Protein 15g
Vitamin D 0mcg 0

Calcium 98mg 9.8%

Iron 2.9mg 36%

Potassium 441mg 13%

*
The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Health checks

ⓘ  Dietary cholesterol is not associated with an increased risk of coronary heart disease in healthy individuals. However, dietary cholesterol is common in foods that are high in harmful saturated fats.
Source
Low in Cholesterol
ok
ⓘ  Trans fat consumption increases the risk of cardiovascular disease and mortality by negatively affecting blood lipid levels.
Source
No Trans Fats
ok
ⓘ  Saturated fat intake can raise total cholesterol and LDL (low-density lipoprotein) levels, leading to an increased risk of atherosclerosis. Dietary guidelines recommend limiting saturated fats to under 10% of calories a day.
Source
Low in Saturated Fats
ok
ⓘ  Increased sodium consumption leads to elevated blood pressure.
Source
Low in Sodium
ok
ⓘ  While the consumption of moderate amounts of added sugars is not detrimental to health, an excessive intake can increase the risk of obesity, and therefore, diabetes.
Source
Low in Sugars
ok

Walnut nutrition infographic

Walnut nutrition infographic
Infographic link

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. https://fdc.nal.usda.gov/fdc-app.html#/food-details/170187/nutrients

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.