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

Tomatoes, red, ripe, raw, year round average
*all the values are displayed for the amount of 100 grams
Article author photo Victoria Mazmanyan by Victoria Mazmanyan | Last updated on November 09, 2023
Medically reviewed by Elen Khachatrian Article author photo Elen Khachatrian
Tomato

What Does 18 Calories or 100 Grams of Tomato Look Like?

We measured what 100 grams of tomato looks like to help you visualize its weight and calories. As you can see from the picture, one middle-sized tomato made up the entire 100 grams or 18 calories.

Depending on the size of the tomato, the weight and calories may differ for you.

18 Calories or 100 Grams of Tomato
Article author photo Victoria Mazmanyan
Education: General Medicine at YSMU
Last updated: November 09, 2023
Medically reviewed by Elen Khachatrian

Important nutritional characteristics for Tomato

Tomato
Glycemic index ⓘ Source:
Check out our full article on Tomato glycemic index
https://www.sciencedirect.com/science/article/pii/S235261811500027X
Check out our Glycemic index chart page for the full list.
23 (low)
Glycemic load 1 (low)
Calories  ⓘ Calories for selected serving 18 kcal
Net Carbs  ⓘ Net Carbs = Total Carbohydrates – Fiber – Sugar Alcohols 3 grams
Default serving size  ⓘ Serving sizes are mostly taken from FDA's Reference Amounts Customarily Consumed (RACCs) 1 NLEA serving (148 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. -4.1 (alkaline)
Oxalates  ⓘ https://www.sciencedirect.com/science/article/abs/pii/S0889157513000902 5 mg
TOP 21% Vitamin A ⓘHigher in Vitamin A content than 79% of foods
TOP 22% Vitamin C ⓘHigher in Vitamin C content than 78% of foods
TOP 36% Vitamin A ⓘHigher in Vitamin A content than 64% of foods
TOP 38% Lycopene ⓘHigher in Lycopene content than 62% of foods
TOP 39% Alpha Carotene ⓘHigher in Alpha Carotene content than 61% of foods

Tomato calories (kcal)

Serving Size Calories Weight
Calories in 100 grams 18
Calories in 1 cup cherry tomatoes 27 149 g
Calories in 1 slice, thin/small 3 15 g
Calories in 1 NLEA serving 27 148 g
Calories in 1 cup, chopped or sliced 32 180 g
Calories in 1 Italian tomato 11 62 g
Calories in 1 cherry 3 17 g
Calories in 1 plum tomato 11 62 g

Tomato Glycemic index (GI)

Source:
Check out our full article on Tomato glycemic index
https://www.sciencedirect.com/science/article/pii/S235261811500027X
Check out our Glycemic index chart page for the full list.
23

Tomato Glycemic load (GL)

1

Mineral coverage chart

Calcium Calcium Iron Iron Magnesium Magnesium Phosphorus Phosphorus Potassium Potassium Sodium Sodium Zinc Zinc Copper Copper Manganese Manganese Selenium Selenium 3% 10% 7.9% 10% 21% 0.65% 4.6% 20% 15% 0%
Calcium: 30mg of 1,000mg 3%
Iron: 0.81mg of 8mg 10%
Magnesium: 33mg of 420mg 7.9%
Phosphorus: 72mg of 700mg 10%
Potassium: 711mg of 3,400mg 21%
Sodium: 15mg of 2,300mg 0.65%
Zinc: 0.51mg of 11mg 4.6%
Copper: 0.18mg of 1mg 20%
Manganese: 0.34mg of 2mg 15%
Selenium: 0µg of 55µg 0%

Mineral chart - relative view

237 mg
TOP 51%
0.11 mg
TOP 59%
0.06 mg
TOP 76%
10 mg
TOP 76%
11 mg
TOP 82%
0.27 mg
TOP 86%
24 mg
TOP 87%
0.17 mg
TOP 87%
5 mg
TOP 90%
0 µg
TOP 100%

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 50% 11% 0% 46% 9.3% 4.4% 11% 5.3% 18% 11% 0% 3.7% 20%
Vitamin A: 2499IU of 5,000IU 50%
Vitamin E: 1.6mg of 15mg 11%
Vitamin D: 0µg of 10µg 0%
Vitamin C: 41mg of 90mg 46%
Vitamin B1: 0.11mg of 1mg 9.3%
Vitamin B2: 0.06mg of 1mg 4.4%
Vitamin B3: 1.8mg of 16mg 11%
Vitamin B5: 0.27mg of 5mg 5.3%
Vitamin B6: 0.24mg of 1mg 18%
Folate: 45µg of 400µg 11%
Vitamin B12: 0µg of 2µg 0%
Choline: 20mg of 550mg 3.7%
Vitamin K: 24µg of 120µg 20%

Vitamin chart - relative view

833 IU
TOP 21%
14 mg
TOP 22%
7.9 µg
TOP 52%
15 µg
TOP 53%
0.54 mg
TOP 55%
0.08 mg
TOP 70%
0.59 mg
TOP 76%
0.04 mg
TOP 79%
6.7 mg
TOP 89%
0.09 mg
TOP 90%
0.02 mg
TOP 92%
0 µg
TOP 100%
Vitamin D
0 µg
TOP 100%

Macronutrients chart

4% 93%
Protein:
Daily Value: 2%
0.9 g of 50 g
0.9 g (2% of DV )
Fats:
Daily Value: 0%
0.2 g of 65 g
0.2 g (0% of DV )
Carbs:
Daily Value: 1%
3.9 g of 300 g
3.9 g (1% of DV )
Water:
Daily Value: 5%
94.5 g of 2,000 g
94.5 g (5% of DV )
Other:
0.5 g
0.5 g

Protein quality breakdown

Tryptophan Tryptophan Threonine Threonine Isoleucine Isoleucine Leucine Leucine Lysine Lysine Methionine Methionine Phenylalanine Phenylalanine Valine Valine Histidine Histidine 6.4% 7.7% 3.9% 2.7% 3.9% 1.7% 4.6% 3% 6%
Tryptophan: 18mg of 280mg 6.4%
Threonine: 81mg of 1,050mg 7.7%
Isoleucine: 54mg of 1,400mg 3.9%
Leucine: 75mg of 2,730mg 2.7%
Lysine: 81mg of 2,100mg 3.9%
Methionine: 18mg of 1,050mg 1.7%
Phenylalanine: 81mg of 1,750mg 4.6%
Valine: 54mg of 1,820mg 3%
Histidine: 42mg of 700mg 6%

Fat type information

20% 22% 58%
Saturated Fat: 0.03 g
Monounsaturated Fat: 0.03 g
Polyunsaturated fat: 0.08 g

Carbohydrate type breakdown

48% 52%
Starch: 0 g
Sucrose: 0 g
Glucose: 1.3 g
Fructose: 1.4 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g

Fiber content ratio for Tomato

68% 31%
Sugar: 2.6 g
Fiber: 1.2 g
Other: 0.06 g

All nutrients for Tomato per 100g

Nutrient Value DV% In TOP % of foods Comparison
Calories 18kcal 1% 98% 2.6 times less than OrangeOrange
Protein 0.88g 2% 86% 3.2 times less than BroccoliBroccoli
Fats 0.2g 0% 88% 166.6 times less than CheeseCheese
Vitamin C 14mg 15% 22% 3.9 times less than LemonLemon
Net carbs 2.7g N/A 64% 20.1 times less than ChocolateChocolate
Carbs 3.9g 1% 63% 7.2 times less than RiceRice
Cholesterol 0mg 0% 100% N/AEgg
Vitamin D 0µg 0% 100% N/AEgg
Magnesium 11mg 3% 82% 12.7 times less than AlmondsAlmonds
Calcium 10mg 1% 76% 12.5 times less than MilkMilk
Potassium 237mg 7% 51% 1.6 times more than CucumberCucumber
Iron 0.27mg 3% 86% 9.6 times less than Beef broiledBeef broiled
Sugar 2.6g N/A 57% 3.4 times less than Coca-ColaCoca-Cola
Fiber 1.2g 5% 47% 2 times less than OrangeOrange
Copper 0.06mg 7% 76% 2.4 times less than ShiitakeShiitake
Zinc 0.17mg 2% 87% 37.1 times less than Beef broiledBeef broiled
Starch 0g 0% 100% N/APotato
Phosphorus 24mg 3% 87% 7.6 times less than Chicken meatChicken meat
Sodium 5mg 0% 90% 98 times less than White BreadWhite Bread
Vitamin A 42µg 5% 36%
Vitamin E 0.54mg 4% 55% 2.7 times less than KiwiKiwi
Manganese 0.11mg 5% 59%
Selenium 0µg 0% 100%
Vitamin B1 0.04mg 3% 79% 7.2 times less than Pea rawPea raw
Vitamin B2 0.02mg 1% 92% 6.8 times less than AvocadoAvocado
Vitamin B3 0.59mg 4% 76% 16.1 times less than Turkey meatTurkey meat
Vitamin B5 0.09mg 2% 90% 12.7 times less than Sunflower seedsSunflower seeds
Vitamin B6 0.08mg 6% 70% 1.5 times less than OatOat
Vitamin B12 0µg 0% 100% N/APork
Vitamin K 7.9µg 7% 52% 12.9 times less than BroccoliBroccoli
Trans Fat 0g N/A 100% N/AMargarine
Folate 15µg 4% 53% 4.1 times less than Brussels sproutsBrussels sprouts
Choline 6.7mg 1% 89%
Saturated Fat 0.03g 0% 89% 210.5 times less than Beef broiledBeef broiled
Monounsaturated Fat 0.03g N/A 87% 316.1 times less than AvocadoAvocado
Polyunsaturated fat 0.08g N/A 87% 568.4 times less than WalnutWalnut
Tryptophan 0.01mg 0% 97% 50.8 times less than Chicken meatChicken meat
Threonine 0.03mg 0% 96% 26.7 times less than Beef broiledBeef broiled
Isoleucine 0.02mg 0% 97% 50.8 times less than Salmon rawSalmon raw
Leucine 0.03mg 0% 97% 97.2 times less than Tuna BluefinTuna Bluefin
Lysine 0.03mg 0% 97% 16.7 times less than TofuTofu
Methionine 0.01mg 0% 97% 16 times less than QuinoaQuinoa
Phenylalanine 0.03mg 0% 96% 24.7 times less than EggEgg
Valine 0.02mg 0% 97% 112.7 times less than Soybean rawSoybean raw
Histidine 0.01mg 0% 96% 53.5 times less than Turkey meatTurkey meat
Fructose 1.4g 2% 85% 4.3 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

Check out similar food or compare with current

NUTRITION FACTS LABEL

Nutrition Facts
___servings per container
Serving Size ______________
Amount Per 100g
Calories 18
% Daily Value*
0.31%
Total Fat 0.2g
0.13%
Saturated Fat 0.03g
0
Trans Fat 0g
0
Cholesterol 0mg
0.22%
Sodium 5mg
1.3%
Total Carbohydrate 3.9g
4.8%
Dietary Fiber 1.2g
Total Sugars 0g
Includes ? g Added Sugars
Protein 0.88g
Vitamin D 0mcg 0

Calcium 10mg 1%

Iron 0.27mg 3.4%

Potassium 237mg 7%

*
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

Tomato nutrition infographic

Tomato 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/170457/nutrients

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