Calories in Tomatoes, raw

Generic food Raw Vegetables

Tomatoes, raw contains 20 kcal per 100 g. A typical serving of 1 slice (20 g) provides about 4 kcal.

Roughly 73% of its calories come from carbohydrates, with 15% from protein and 13% from fat (estimated with general energy factors).

100 g provides 18% of the Daily Value for Vitamin C.

These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.

The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.

20kcal per 100 g
0.82 gprotein
4 gcarbohydrates
0.31 gfat
4kcal in 1 slice (20 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 20 kcal
Total fat C 0.31 g 0.4%
Saturated fat C 0.028 g 0.1%
Cholesterol C 0 mg 0%
Sodium C 4 mg 0.2%
Total carbohydrates C 4 g 1%
Dietary fiber C 1.2 g 4%
Total sugars C 2.6 g
Protein C 0.82 g 2%
Vitamin A C 32 µg4%
Vitamin C C 16.3 mg18%
Vitamin D C 0 µg0%
Vitamin E C 0.58 mg4%
Vitamin K C 7.5 µg6%
Thiamin (B1) C 0.046 mg4%
Riboflavin (B2) C 0.018 mg1%
Niacin (B3) C 0.6 mg4%
Vitamin B6 C 0.078 mg5%
Folate (B9) C 13 µg3%
Vitamin B12 C 0 µg0%
Choline C 7 mg1%
Calcium C 10 mg0.8%
Iron C 0.22 mg1%
Magnesium C 10 mg2%
Phosphorus C 23 mg2%
Potassium C 226 mg5%
Zinc C 0.15 mg1%
Copper C 0.051 mg6%
Selenium C 0 µg0%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 15%Carbohydrates: 73%Fat: 13%20kcal / 100 g
  • Protein 15%
  • Carbohydrates 73%
  • Fat 13%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin C18%Vitamin K6%Copper6%Potassium5%Vitamin B65%Vitamin E4%Thiamin (B1)4%Niacin (B3)4%Vitamin A4%Folate (B9)3%

Nutritional insights

  • Protein per 100 kcal4.1 gprotein density, useful for comparing foods with different calorie levels
  • Water94.4 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C0.031 g
Polyunsaturated fat C0.083 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0 g
DHA (omega-3, 22:6 n-3) C0 g
Linoleic acid (omega-6, 18:2) C0.08 g
SFA 4:0 C0 g
SFA 6:0 C0 g
SFA 8:0 C0 g
SFA 10:0 C0 g
SFA 12:0 C0 g
SFA 14:0 C0 g
SFA 16:0 C0.02 g
SFA 18:0 C0.008 g
MUFA 18:1 C0.03 g
PUFA 18:3 C0.003 g
PUFA 20:4 C0 g
MUFA 16:1 C0.001 g
PUFA 18:4 C0 g
MUFA 20:1 C0 g
MUFA 22:1 C0 g
PUFA 22:5 n-3 (DPA) C0 g
Carotenoids (6)
Beta-carotene C397 µg
Lycopene C2,810 µg
Lutein + zeaxanthin C103 µg
Retinol C0 µg
Carotene, alpha C61 µg
Cryptoxanthin, beta C6 µg
Other components (8)
Water C94.4 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C0 µg
Folate, food C13 µg
Vitamin E, added C0 mg
Vitamin B-12, added C0 µg

Other forms of Tomatoes

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Tomatoes, sun-dried Dried or dry 258 14.1 g 55.8 g 3 g
Tomatoes, sun-dried, packed in oil, drained Dried or dry 213 5.1 g 23.3 g 14.1 g
Tomatoes, red, ripe, cooked Cooked 18 0.95 g 4 g 0.11 g
Tomatoes, red, ripe, canned, packed in tomato juice Canned 16 0.79 g 3.5 g 0.25 g
Tomatoes, red, ripe, canned, stewed Cooked 26 0.91 g 6.2 g 0.19 g
Tomatoes, red, ripe, canned, with green chilies Canned 15 0.69 g 3.6 g 0.08 g
Tomatoes, red, ripe, cooked, stewed Cooked 79 2 g 13.1 g 2.7 g
Tomatoes, yellow, raw Raw 15 0.98 g 3 g 0.26 g
Tomatoes, red, ripe, cooked, with salt Cooked 18 0.95 g 4 g 0.11 g
Tomatoes, red, ripe, canned, packed in tomato juice, no salt added Canned 16 0.79 g 3.5 g 0.25 g
Tomatoes, green, raw Raw 23 1.2 g 5.1 g 0.2 g
Tomato, red, ripe, raw Raw 18 0.88 g 3.9 g 0.2 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Zucchini, raw Raw 17 1.2 g 3.1 g 0.32 g
Iceberg lettuce, raw Raw 14 0.9 g 3 g 0.14 g
Green bell pepper, raw Raw 20 0.86 g 4.6 g 0.17 g
Cucumber, with peel, raw Raw 15 0.65 g 3.6 g 0.11 g
Celery, raw Raw 14 0.69 g 3 g 0.17 g
Cauliflower, raw Raw 25 1.9 g 5 g 0.28 g
Romaine lettuce, raw Raw 17 1.2 g 3.3 g 0.3 g
Asparagus, raw Raw 20 2.2 g 3.9 g 0.12 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in raw tomatoes?

100 g of raw tomatoes has 20 kcal. 1 slice (20 g): about 4 kcal. 1 grape tomato (8 g): about 2 kcal. 1 cherry (17 g): about 3 kcal.

How much protein is in raw tomatoes?

Raw tomatoes contains 0.82 g of protein per 100 g (2% of the 50 g Daily Value), or 0.16 g in 1 slice (20 g). About 15% of its calories come from protein.

How many carbs are in raw tomatoes?

Raw tomatoes has 4 g of total carbohydrates per 100 g, including 1.2 g of fiber and 2.6 g of sugars.

How much fat is in raw tomatoes?

Raw tomatoes contains 0.31 g of fat per 100 g, of which 0.028 g is saturated (0.1% of the Daily Value).

What vitamins and minerals does raw tomatoes contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin C (18% DV). The full list is in the vitamins and minerals table above.

How much sodium is in raw tomatoes?

100 g contains 4 mg of sodium, 0.2% of the 2,300 mg Daily Value.

Does tomatoes have the same nutrition raw and dried or dry?

No. Per 100 g, tomatoes, raw has 20 kcal, while tomatoes, sun-dried has 258 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: FNDDS (Survey), record 2709719. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.