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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 Igor Bussel Article author photo Igor Bussel
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 Igor Bussel

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 per 100-gram serving 18
Net Carbs ⓘ Net Carbs = Total Carbohydrates – Fiber – Sugar Alcohols 2.69 grams
Serving Size ⓘ Serving sizes are 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 5mg
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 RAE ⓘHigher in Vitamin A RAE 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 Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium Choline 3% 11% 8% 11% 21% 1% 5% 20% 15% 0% 4%
Calcium: 10 mg of 1,000 mg 1%
Iron: 0.27 mg of 8 mg 3%
Magnesium: 11 mg of 420 mg 3%
Phosphorus: 24 mg of 700 mg 3%
Potassium: 237 mg of 3,400 mg 7%
Sodium: 5 mg of 2,300 mg 0%
Zinc: 0.17 mg of 11 mg 2%
Copper: 0.059 mg of 1 mg 7%
Manganese: 0.114 mg of 2 mg 5%
Selenium: 0 µg of 55 µg 0%
Choline: 6.7 mg of 550 mg 1%

Mineral chart - relative view

Potassium
237 mg
TOP 51%
Manganese
0.114 mg
TOP 59%
Copper
0.059 mg
TOP 76%
Calcium
10 mg
TOP 76%
Magnesium
11 mg
TOP 82%
Iron
0.27 mg
TOP 86%
Phosphorus
24 mg
TOP 87%
Zinc
0.17 mg
TOP 87%
Choline
6.7 mg
TOP 89%
Sodium
5 mg
TOP 90%
Selenium
0 µg
TOP 100%

Vitamin coverage chart

Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 50% 11% 0% 46% 10% 5% 12% 6% 19% 12% 0% 20%
Vitamin A: 833 IU of 5,000 IU 17%
Vitamin E : 0.54 mg of 15 mg 4%
Vitamin D: 0 µg of 10 µg 0%
Vitamin C: 13.7 mg of 90 mg 15%
Vitamin B1: 0.037 mg of 1 mg 3%
Vitamin B2: 0.019 mg of 1 mg 1%
Vitamin B3: 0.594 mg of 16 mg 4%
Vitamin B5: 0.089 mg of 5 mg 2%
Vitamin B6: 0.08 mg of 1 mg 6%
Folate: 15 µg of 400 µg 4%
Vitamin B12: 0 µg of 2 µg 0%
Vitamin K: 7.9 µg of 120 µg 7%

Vitamin chart - relative view

Vitamin A
833 IU
TOP 21%
Vitamin C
13.7 mg
TOP 22%
Vitamin K
7.9 µg
TOP 52%
Folate
15 µg
TOP 53%
Vitamin E
0.54 mg
TOP 55%
Vitamin B6
0.08 mg
TOP 70%
Vitamin B3
0.594 mg
TOP 76%
Vitamin B1
0.037 mg
TOP 79%
Vitamin B5
0.089 mg
TOP 90%
Vitamin B2
0.019 mg
TOP 92%
Vitamin B12
0 µg
TOP 100%
Vitamin D
0 µg
TOP 100%

Macronutrients chart

4% 93%
Protein:
Daily Value: 2%
0.88 g of 50 g
2%
Fats:
Daily Value: 0%
0.2 g of 65 g
0%
Carbs:
Daily Value: 1%
3.89 g of 300 g
1%
Water:
Daily Value: 5%
94.52 g of 2,000 g
5%
Other:
0.51 g

Protein quality breakdown

Tryptophan Threonine Isoleucine Leucine Lysine Methionine Phenylalanine Valine Histidine 7% 8% 4% 3% 4% 2% 5% 3% 6%
Tryptophan: 6 mg of 280 mg 2%
Threonine: 27 mg of 1,050 mg 3%
Isoleucine: 18 mg of 1,400 mg 1%
Leucine: 25 mg of 2,730 mg 1%
Lysine: 27 mg of 2,100 mg 1%
Methionine: 6 mg of 1,050 mg 1%
Phenylalanine: 27 mg of 1,750 mg 2%
Valine: 18 mg of 1,820 mg 1%
Histidine: 14 mg of 700 mg 2%

Fat type information

20% 22% 58%
Saturated Fat: 0.028 g
Monounsaturated Fat: 0.031 g
Polyunsaturated fat: 0.083 g

Carbohydrate type breakdown

48% 52%
Starch: 0 g
Sucrose: 0 g
Glucose: 1.25 g
Fructose: 1.37 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g

Fiber content ratio for Tomato

68% 31%
Sugar: 2.63 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 Cheddar CheeseCheddar Cheese
Vitamin C 13.7mg 15% 22% 3.9 times less than LemonLemon
Net carbs 2.69g N/A 64% 20.1 times less than ChocolateChocolate
Carbs 3.89g 1% 63% 7.2 times less than RiceRice
Cholesterol 0mg 0% 100% N/AEgg
Vitamin D 0µg 0% 100% N/AEgg
Iron 0.27mg 3% 86% 9.6 times less than Beef broiledBeef broiled
Calcium 10mg 1% 76% 12.5 times less than MilkMilk
Potassium 237mg 7% 51% 1.6 times more than CucumberCucumber
Magnesium 11mg 3% 82% 12.7 times less than AlmondAlmond
Sugar 2.63g 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 833IU 17% 21% 20.1 times less than CarrotCarrot
Vitamin A RAE 42µg 5% 36%
Vitamin E 0.54mg 4% 55% 2.7 times less than KiwifruitKiwifruit
Selenium 0µg 0% 100%
Manganese 0.11mg 5% 59%
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 seedSunflower seed
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
Folate 15µg 4% 53% 4.1 times less than Brussels sproutBrussels sprout
Trans Fat 0g N/A 100% N/AMargarine
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 1.37g 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%
Total Fat 0g
0%
Saturated Fat 0g
Trans Fat g
0%
Cholesterol 0mg
0%
Sodium 5mg
1%
Total Carbohydrate 4g
4%
Dietary Fiber 1g
Total Sugars g
Includes ? g Added Sugars
Protein 1g
Vitamin D 0mcg 0%

Calcium 10mg 1%

Iron 0mg 0%

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

Low in Cholesterol
ok
 ⓘ 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
No Trans Fats
ok
 ⓘ Trans fat consumption increases the risk of cardiovascular disease and mortality by negatively affecting blood lipid levels.
Source
Low in Saturated 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 Sodium
ok
 ⓘ Increased sodium consumption leads to elevated blood pressure.
Source
Low in Sugars
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

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.