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

Nuts, walnuts, english
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: 36%
17.8 g of 50 g
17.8 g (36% of DV )
Fats:
Daily Value: 117%
76.3 g of 65 g
76.3 g (117% of DV )
Carbs:
Daily Value: 5%
16 g of 300 g
16 g (5% of DV )
Water:
Daily Value: 0%
4.8 g of 2,000 g
4.8 g (0% of DV )
Other:
2.1 g
2.1 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: 0.07 g
Sucrose: 2.8 g
Glucose: 0.09 g
Fructose: 0.11 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: 3.1 g
Fiber: 7.8 g
Other: 5.1 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 765 kcal
Net Carbs  ⓘ Net Carbs = Total Carbohydrates – Fiber – Sugar Alcohols 8 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 63 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 34% 128% 132% 173% 46% 0.31% 99% 619% 521% 31%
Calcium: 344mg of 1,000mg 34%
Iron: 10mg of 8mg 128%
Magnesium: 555mg of 420mg 132%
Phosphorus: 1214mg of 700mg 173%
Potassium: 1548mg of 3,400mg 46%
Sodium: 7mg of 2,300mg 0.31%
Zinc: 11mg of 11mg 99%
Copper: 5.6mg of 1mg 619%
Manganese: 12mg of 2mg 521%
Selenium: 17µg of 55µg 31%

Mineral chart - relative view

185 mg
TOP 12%
405 mg
TOP 14%
516 mg
TOP 15%
1.9 mg
TOP 15%
3.4 mg
TOP 22%
115 mg
TOP 23%
4 mg
TOP 26%
3.6 mg
TOP 30%
5.7 µg
TOP 68%
2.3 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 1.4% 16% 0% 5.1% 100% 41% 25% 40% 145% 86% 0% 25% 7.9%
Vitamin A: 70IU of 5,000IU 1.4%
Vitamin E : 2.5mg of 15mg 16%
Vitamin D: 0µg of 10µg 0%
Vitamin C: 4.6mg of 90mg 5.1%
Vitamin B1: 1.2mg of 1mg 100%
Vitamin B2: 0.53mg of 1mg 41%
Vitamin B3: 3.9mg of 16mg 25%
Vitamin B5: 2mg of 5mg 40%
Vitamin B6: 1.9mg of 1mg 145%
Folate: 344µg of 400µg 86%
Vitamin B12: 0µg of 2µg 0%
Choline: 138mg of 550mg 25%
Vitamin K: 9.5µg of 120µg 7.9%

Vitamin chart - relative view

0.63 mg
TOP 23%
115 µg
TOP 24%
0.4 mg
TOP 24%
1.5 mg
TOP 39%
0.82 mg
TOP 51%
0.67 mg
TOP 54%
0.18 mg
TOP 58%
23 IU
TOP 58%
3.2 µg
TOP 61%
1.3 mg
TOP 67%
46 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 213% 199% 157% 150% 71% 79% 143% 145% 196%
Tryptophan: 597mg of 280mg 213%
Threonine: 2092mg of 1,050mg 199%
Isoleucine: 2194mg of 1,400mg 157%
Leucine: 4107mg of 2,730mg 150%
Lysine: 1488mg of 2,100mg 71%
Methionine: 828mg of 1,050mg 79%
Phenylalanine: 2496mg of 1,750mg 143%
Valine: 2643mg of 1,820mg 145%
Histidine: 1372mg of 700mg 196%

Fat type information

10% 14% 76%
Saturated Fat: 7.2 g
Monounsaturated Fat: 10 g
Polyunsaturated fat: 55 g

All nutrients for Walnut per selected serving size (1 cup, chopped - 117g)

Nutrient Value DV% In TOP % of foods Comparison
Calories 765kcal 38% 2% 13.9 times more than OrangeOrange
Protein 18g 42% 33% 5.4 times more than BroccoliBroccoli
Fats 76g 117% 2% 2 times more than CheeseCheese
Vitamin C 1.5mg 2% 39% 40.8 times less than LemonLemon
Net carbs 8.2g N/A 52% 7.7 times less than ChocolateChocolate
Carbs 16g 5% 43% 2.1 times less than RiceRice
Cholesterol 0mg 0% 100% N/AEgg
Vitamin D 0µg 0% 100% N/AEgg
Magnesium 185mg 44% 12% 1.1 times more than AlmondAlmond
Calcium 115mg 11% 23% 1.3 times less than MilkMilk
Potassium 516mg 15% 15% 3 times more than CucumberCucumber
Iron 3.4mg 43% 22% 1.1 times more than Beef broiledBeef broiled
Sugar 3.1g N/A 57% 3.4 times less than Coca-ColaCoca-Cola
Fiber 7.8g 31% 15% 2.8 times more than OrangeOrange
Copper 1.9mg 206% 15% 11.2 times more than ShiitakeShiitake
Zinc 3.6mg 33% 30% 2 times less than Beef broiledBeef broiled
Starch 0.07g 0% 97% 254.8 times less than PotatoPotato
Phosphorus 405mg 58% 14% 1.9 times more than Chicken meatChicken meat
Sodium 2.3mg 0% 96% 245 times less than White BreadWhite Bread
Vitamin A 23IU 0% 58% 835.3 times less than CarrotCarrot
Vitamin A RAE 1.2µg 0% 72%
Vitamin E 0.82mg 5% 51% 2.1 times less than KiwifruitKiwifruit
Selenium 5.7µg 10% 68%
Manganese 4mg 174% 26%
Vitamin B1 0.4mg 33% 24% 1.3 times more than Pea rawPea raw
Vitamin B2 0.18mg 14% 58% 1.2 times more than AvocadoAvocado
Vitamin B3 1.3mg 8% 67% 8.5 times less than Turkey meatTurkey meat
Vitamin B5 0.67mg 13% 54% 2 times less than Sunflower seedSunflower seed
Vitamin B6 0.63mg 48% 23% 4.5 times more than OatOat
Vitamin B12 0µg 0% 100% N/APork
Vitamin K 3.2µg 3% 61% 37.6 times less than BroccoliBroccoli
Folate 115µg 29% 24% 1.6 times more than Brussels sproutBrussels sprout
Saturated Fat 7.2g 36% 20% Equal to Beef broiledBeef broiled
Choline 46mg 8% 68%
Monounsaturated Fat 10g N/A 18% 1.1 times less than AvocadoAvocado
Polyunsaturated fat 55g N/A 8% Equal to WalnutWalnut
Tryptophan 0.2mg 0% 69% 1.8 times less than Chicken meatChicken meat
Threonine 0.7mg 0% 71% 1.2 times less than Beef broiledBeef broiled
Isoleucine 0.73mg 0% 71% 1.5 times less than Salmon rawSalmon raw
Leucine 1.4mg 0% 71% 2.1 times less than Tuna BluefinTuna Bluefin
Lysine 0.5mg 0% 78% 1.1 times less than TofuTofu
Methionine 0.28mg 0% 74% 2.5 times more than QuinoaQuinoa
Phenylalanine 0.83mg 0% 68% 1.1 times more than EggEgg
Valine 0.88mg 0% 70% 2.7 times less than Soybean rawSoybean raw
Histidine 0.46mg 0% 71% 1.9 times less than Turkey meatTurkey meat
Fructose 0.11g 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 765
% Daily Value*
117%
Total Fat 76g
33%
Saturated Fat 7.2g
0
Trans Fat 0g
0
Cholesterol 0mg
0.1%
Sodium 2.3mg
5.3%
Total Carbohydrate 16g
31%
Dietary Fiber 7.8g
Total Sugars 0g
Includes ? g Added Sugars
Protein 18g
Vitamin D 0mcg 0

Calcium 115mg 11%

Iron 3.4mg 43%

Potassium 516mg 15%

*
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.