Tomato has 18 kcal per 100g, with 0.9 g protein, 3.9 g carbohydrates and 0.2 g fat.
Last updated: October 3, 2026 · Written and fact-checked by the Calorie Cal team.
About 17% of the calories in Tomato come from protein, a moderate amount. Most of its calories (74%) come from carbohydrates.
Calculated with 4 kcal per gram of protein and carbohydrate and 9 kcal per gram of fat, so the total can differ slightly from the listed calories.
Botanically a fruit but cooked as a vegetable, the tomato is mostly water, with about 18 kcal per 100 g raw. It forms the base of countless curries, sauces and salads, and its red color comes from the pigment lycopene. Raw tomatoes barely register in a day's calories; the oil or butter used to cook down a tomato gravy or sauce is what adds up.
Typical portion: A medium tomato weighs about 120 g, which works out to roughly 22 kcal.
Also known as: tamatar, tomatoes, raw tomato, fresh tomato, roma tomato
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 50 g | 9 kcal | 0.5 g | 2 g | 0.1 g |
| 100 g | 18 kcal | 0.9 g | 3.9 g | 0.2 g |
| 150 g | 27 kcal | 1.4 g | 5.9 g | 0.3 g |
| 200 g | 36 kcal | 1.8 g | 7.8 g | 0.4 g |
| 250 g | 45 kcal | 2.3 g | 9.8 g | 0.5 g |
One serving (100g) is 1% of a 2,000 kcal day and 1% of a 1,500 kcal day. It also gives 0.9 g of protein, which is 1% of a 100 g daily protein target.
| Food | Serving | Calories | Protein |
|---|---|---|---|
| Tomato | 100g | 18 kcal | 0.9 g |
| Cooked Zucchini | 100g | 17 kcal | 0.6 g |
| Cucumber | 100g | 15 kcal | 0.8 g |
| Cooked Spinach | 100g | 23 kcal | 2.9 g |
| Roasted Cauliflower | 100g | 29 kcal | 1.8 g |
| Bell Peppers | 100g | 31 kcal | 1 g |
| Steamed Broccoli | 100g | 35 kcal | 2.8 g |
Tomato has 18 kcal per 100g. That serving also has 0.9 g protein, 3.9 g carbohydrates and 0.2 g fat.
Tomato has 0.9 g of protein per 100g, so 17% of its calories come from protein.
No single food makes you gain or lose weight. Your total calories over the day and week do. Tomato can fit a weight-loss diet when the portion fits your daily calorie target. At 18 kcal per 100 g it has a low calorie density, so a filling portion costs few calories.
It depends on your age, sex, height, weight and activity level. Most adults need somewhere between 1,600 and 3,000 kcal a day. Use the free calorie calculator to get your personal number.
Nutrition values are typical averages based on USDA FoodData Central and the Indian Food Composition Tables 2017 (ICMR–National Institute of Nutrition), with recipe-based estimates for mixed dishes.
Values are typical averages and vary by recipe, brand and portion size. For packaged foods, check the label. This page is general information, not medical advice.