Tomato nutrition facts

Tomato (1 medium whole (2-3/5" dia), 123 g) has 22 calories, 1.1 g protein, 1.5 g fiber, 0.2 g fat. It is a good source of vitamin C.

Vitamin C 19% DV Vitamin K 8.1% DV Copper 8.1% DV Potassium 6.2% DV Manganese 6.1% DV

#75 of 100 foods for vitamin K #44 of 50 vegetables for vitamin A

Nutrition Facts

Serving size1 medium whole (2-3/5" dia) (123 g)

Calories22

Total Fat 0.2g0.3%

Saturated Fat 0g0.2%

Trans Fat 0g

Cholesterol 0mg0%

Sodium 6mg0.3%

Total Carbohydrate 4.8g1.7%

Dietary Fiber 1.5g5.3%

Total Sugars 3.2g

Protein 1.1g2.2%

Vitamin D 0µg0%

Calcium 12mg0.9%

Iron 0.3mg1.8%

Potassium 292mg6.2%

* The % Daily Value (DV) tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Values from USDA FoodData Central; label rounding rules are not applied.

Calorie breakdown

■ Protein 17%
■ Fat 9%
■ Carbohydrate 75%

Share of calories by the 4-9-4 Atwater factors; the centre shows USDA's calorie value.

Scores

188

Nutrient density (NRF9.3)

Nine nutrients to encourage minus three to limit, per 100 kcal. Whole foods range from about −60 to 600; leafy greens score highest.

-3.8

Inflammatory profile strongly anti-inflammatory

Lower is more anti-inflammatory. Percentile 4 among 1,677 whole foods, from Dietary Inflammatory Index weights applied to this food's nutrients per 100 kcal.

All nutrients in tomato

Nutrient	Per 1 medium whole (2-3/5" dia)	% Daily Value
Macronutrients
Calories	22 kcal	1.1%
Protein	1.1 g	2.2%
Total fat	0.2 g	0.3%
Carbohydrate	4.8 g	1.7%
Fiber	1.5 g	5.3%
Sugars	3.2 g	no DV
Fats
Saturated fat	0 g	0.2%
Trans fat	0 g	no DV
Monounsaturated fat	0 g	no DV
Polyunsaturated fat	0.1 g	no DV
Omega-3 (ALA+EPA+DHA)	0 g	no DV
Omega-6 (linoleic)	0.1 g	no DV
Cholesterol	0 mg	0%
Vitamins
Vitamin C	16.9 mg	19%
Thiamin (B1)	0.05 mg	3.8%
Riboflavin (B2)	0.02 mg	1.8%
Niacin (B3)	0.7 mg	4.6%
Pantothenic acid (B5)	0.11 mg	2.2%
Vitamin B6	0.1 mg	5.8%
Folate (DFE)	18 µg	4.6%
Vitamin B12	0 µg	0%
Vitamin A (RAE)	52 µg	5.7%
Vitamin E	0.66 mg	4.4%
Vitamin D	0 µg	0%
Vitamin K	9.7 µg	8.1%
Choline	8 mg	1.5%
Minerals
Sodium	6 mg	0.3%
Calcium	12 mg	0.9%
Iron	0.3 mg	1.8%
Magnesium	14 mg	3.2%
Phosphorus	30 mg	2.4%
Potassium	292 mg	6.2%
Zinc	0.2 mg	1.9%
Copper	0.07 mg	8.1%
Manganese	0.14 mg	6.1%
Selenium	0 µg	0%
Carotenoids
Beta-carotene	552 µg	no DV
Lycopene	3,165 µg	no DV
Lutein + zeaxanthin	151 µg	no DV
Other
Caffeine	0 mg	no DV
Water	116 g	no DV
Amino acids
Tryptophan	0.007 g	no DV
Threonine	0.033 g	no DV
Isoleucine	0.022 g	no DV
Leucine	0.031 g	no DV
Lysine	0.033 g	no DV
Methionine	0.007 g	no DV
Phenylalanine	0.033 g	no DV
Valine	0.022 g	no DV
Histidine	0.017 g	no DV

Nutrient	Per 100 g	% Daily Value
Macronutrients
Calories	18 kcal	0.9%
Protein	0.9 g	1.8%
Total fat	0.2 g	0.3%
Carbohydrate	3.9 g	1.4%
Fiber	1.2 g	4.3%
Sugars	2.6 g	no DV
Fats
Saturated fat	0 g	0.1%
Trans fat	0 g	no DV
Monounsaturated fat	0 g	no DV
Polyunsaturated fat	0.1 g	no DV
Omega-3 (ALA+EPA+DHA)	0 g	no DV
Omega-6 (linoleic)	0.08 g	no DV
Cholesterol	0 mg	0%
Vitamins
Vitamin C	13.7 mg	15%
Thiamin (B1)	0.04 mg	3.1%
Riboflavin (B2)	0.02 mg	1.5%
Niacin (B3)	0.6 mg	3.7%
Pantothenic acid (B5)	0.09 mg	1.8%
Vitamin B6	0.08 mg	4.7%
Folate (DFE)	15 µg	3.8%
Vitamin B12	0 µg	0%
Vitamin A (RAE)	42 µg	4.7%
Vitamin E	0.54 mg	3.6%
Vitamin D	0 µg	0%
Vitamin K	7.9 µg	6.6%
Choline	7 mg	1.2%
Minerals
Sodium	5 mg	0.2%
Calcium	10 mg	0.8%
Iron	0.3 mg	1.5%
Magnesium	11 mg	2.6%
Phosphorus	24 mg	1.9%
Potassium	237 mg	5%
Zinc	0.2 mg	1.5%
Copper	0.06 mg	6.6%
Manganese	0.11 mg	5%
Selenium	0 µg	0%
Carotenoids
Beta-carotene	449 µg	no DV
Lycopene	2,573 µg	no DV
Lutein + zeaxanthin	123 µg	no DV
Other
Caffeine	0 mg	no DV
Water	95 g	no DV
Amino acids
Tryptophan	0.006 g	no DV
Threonine	0.027 g	no DV
Isoleucine	0.018 g	no DV
Leucine	0.025 g	no DV
Lysine	0.027 g	no DV
Methionine	0.006 g	no DV
Phenylalanine	0.027 g	no DV
Valine	0.018 g	no DV
Histidine	0.014 g	no DV

Nutrient	Per 1 oz (28 g)	% Daily Value
Macronutrients
Calories	5 kcal	0.3%
Protein	0.2 g	0.5%
Total fat	0.1 g	0.1%
Carbohydrate	1.1 g	0.4%
Fiber	0.3 g	1.2%
Sugars	0.7 g	no DV
Fats
Saturated fat	0 g	0%
Trans fat	0 g	no DV
Monounsaturated fat	0 g	no DV
Polyunsaturated fat	0 g	no DV
Omega-3 (ALA+EPA+DHA)	0 g	no DV
Omega-6 (linoleic)	0.02 g	no DV
Cholesterol	0 mg	0%
Vitamins
Vitamin C	3.9 mg	4.3%
Thiamin (B1)	0.01 mg	0.9%
Riboflavin (B2)	0.01 mg	0.4%
Niacin (B3)	0.2 mg	1.1%
Pantothenic acid (B5)	0.03 mg	0.5%
Vitamin B6	0.02 mg	1.3%
Folate (DFE)	4 µg	1.1%
Vitamin B12	0 µg	0%
Vitamin A (RAE)	12 µg	1.3%
Vitamin E	0.15 mg	1%
Vitamin D	0 µg	0%
Vitamin K	2.2 µg	1.9%
Choline	2 mg	0.3%
Minerals
Sodium	1 mg	0.1%
Calcium	3 mg	0.2%
Iron	0.1 mg	0.4%
Magnesium	3 mg	0.7%
Phosphorus	7 mg	0.5%
Potassium	67 mg	1.4%
Zinc	0 mg	0.4%
Copper	0.02 mg	1.9%
Manganese	0.03 mg	1.4%
Selenium	0 µg	0%
Carotenoids
Beta-carotene	127 µg	no DV
Lycopene	729 µg	no DV
Lutein + zeaxanthin	35 µg	no DV
Other
Caffeine	0 mg	no DV
Water	27 g	no DV
Amino acids
Tryptophan	0.002 g	no DV
Threonine	0.008 g	no DV
Isoleucine	0.005 g	no DV
Leucine	0.007 g	no DV
Lysine	0.008 g	no DV
Methionine	0.002 g	no DV
Phenylalanine	0.008 g	no DV
Valine	0.005 g	no DV
Histidine	0.004 g	no DV

Missing nutrients were not analysed by USDA for this food; they are not zero. F marks a value updated from Foundation Foods (April 2026 analytical data). Source: USDA FoodData Central #170457 ("Tomatoes, red, ripe, raw, year round average").

Tomato variants compared

Per 100 g, so preparations can be compared directly.

Variant	kcal	Protein g	Fat g	Carbs g	Fiber g	Sugars g	Potassium mg	Vit C mg	Sodium mg
Tomato (this page)	18	0.9	0.2	3.9	1.2	2.6	237	13.7	5
Cooked	18	0.9	0.1	4	0.7	2.5	218	22.8	11
Sun-dried	258	14.1	3	55.8	12.3	37.6	3,427	39.2	107

Frequently asked questions

How many calories are in tomato?

Tomato has 22 calories per 1 medium whole (2-3/5" dia) (123 g), or 18 calories per 100 g, according to USDA FoodData Central.

How much protein is in tomato?

1.1 g of protein per 1 medium whole (2-3/5" dia), which is 2.2% of the 50 g Daily Value.

What is tomato rich in?

Per serving, tomato is richest in Vitamin C at 19% of the Daily Value, Vitamin K (8.1%), Copper (8.1%), Potassium (6.2%).

Is tomato healthy?

By nutrient density, tomato scores 188 on the NRF9.3 index (nine nutrients to encourage minus three to limit, per 100 kcal). Its nutrient profile is strongly anti-inflammatory compared with other whole foods. See the methodology page for how both scores work; this is data, not medical advice.

More vegetables

Nutrient values are from USDA FoodData Central (SR Legacy, April 2018; Foundation Foods, April 2026) and shown per serving as described on each page. %DV uses the FDA Daily Values for adults and children aged 4 and over. This is nutrition data for general information, not medical or dietary advice; talk to a clinician or registered dietitian about your own needs. How the numbers are calculated.