News of Health / Nutrition Facts Library
Tomato Nutrition Facts: Is Tomato Good for You?
Raw tomatoes are a good source of vitamin C, providing 15% of the Daily Value in a 100-gram serving. They are very low in calories, fat, and sodium, and contain no cholesterol. While they have some natural sugar (about 2.6 grams per 100 g), they also provide dietary fiber. The overall nutritional benefit of tomatoes depends on the portion size and how they are prepared and combined with other foods in your diet.
Per 100 g · Tomatoes, red, ripe, raw, year round average
What stands out in tomato
- Good source of vitamin C. A 100-gram serving of raw tomato provides 13.7 mg of vitamin C, which is 15% of the recommended Daily Value.
- Very low in calories. Tomatoes contain only 18 calories per 100 grams. A medium whole tomato has about 22 calories, and a single cherry tomato has just 3 calories.
- Low in fat and sodium. Raw tomatoes have very little fat (0.2 g) and sodium (5 mg) per 100 grams, with 0% of the Daily Value for each. They also contain no cholesterol.
- Carbohydrates and fiber. A 100-gram portion contains 3.9 grams of total carbohydrates. This amount includes 1.2 grams of dietary fiber and 2.6 grams of total sugars.
What to keep in mind
- This nutrition data is for raw, unprocessed tomatoes. Adding ingredients like salt, oils, or dressings will increase the sodium, fat, and calorie content.
- Processed tomato products like sauces or canned tomatoes may contain significantly more sodium and sugar.
Tomato nutrition facts per 100 g
| Nutrient | Per 100 g | % DV |
|---|---|---|
| Calories | 18 kcal | – |
| Protein | 0.88 g | 2% |
| Total fat | 0.2 g | 0% |
| Saturated fat | 0.03 g | 0% |
| Monounsaturated fat | 0.03 g | – |
| Polyunsaturated fat | 0.08 g | – |
| Cholesterol | 0 mg | 0% |
| Carbohydrate | 3.9 g | 1% |
| Dietary fiber | 1.2 g | 4% |
| Total sugars | 2.6 g | – |
| Water | 94.5 g | – |
| Sodium | 5 mg | 0% |
| Nutrient | Per 100 g | % DV |
|---|---|---|
| Potassium | 237 mg | 5% |
| Calcium | 10 mg | 1% |
| Iron | 0.27 mg | 2% |
| Magnesium | 11 mg | 3% |
| Phosphorus | 24 mg | 2% |
| Zinc | 0.17 mg | 2% |
| Copper | 0.06 mg | 7% |
| Manganese | 0.11 mg | 5% |
| Selenium | 0 mcg | 0% |
| Vitamin A (RAE) | 42 mcg | 5% |
| Vitamin C | 13.7 mg | 15% |
| Vitamin D | 0 mcg | 0% |
| Vitamin E | 0.54 mg | 4% |
| Vitamin K | 7.9 mcg | 7% |
| Thiamin (B1) | 0.04 mg | 3% |
| Riboflavin (B2) | 0.02 mg | 1% |
| Niacin (B3) | 0.59 mg | 4% |
| Vitamin B6 | 0.08 mg | 5% |
| Folate (DFE) | 15 mcg | 4% |
| Vitamin B12 | 0 mcg | 0% |
| Choline | 6.7 mg | 1% |
% Daily Value uses the FDA Daily Values for adults and children 4 years and older. Highlighted rows are 20% DV or more per 100 g. A dash means no Daily Value is set.
Tomato by portion
A medium whole tomato (123 g) provides 22 calories, 4.8 grams of carbohydrates, and 1.5 grams of fiber. A larger serving, such as one cup of chopped tomato (180 g), contains 32 calories and 2.2 grams of fiber. For smaller amounts, one Italian tomato has 11 calories and about 2.4 grams of carbs, while a single cherry tomato has just 3 calories and 0.7 grams of carbs.
| USDA portion | Weight | Calories | Protein | Carbs | Fiber | Fat |
|---|---|---|---|---|---|---|
| 1 cup cherry tomatoes | 149 g | 27 | 1.3 g | 5.8 g | 1.8 g | 0.3 g |
| 1 cup, chopped or sliced | 180 g | 32 | 1.6 g | 7 g | 2.2 g | 0.4 g |
| 1 Italian tomato | 62 g | 11 | 0.5 g | 2.4 g | 0.7 g | 0.1 g |
| 1 cherry | 17 g | 3 | 0.1 g | 0.7 g | 0.2 g | 0 g |
| 1 large whole (3″ dia) | 182 g | 33 | 1.6 g | 7.1 g | 2.2 g | 0.4 g |
| 1 medium whole (2-3/5″ dia) | 123 g | 22 | 1.1 g | 4.8 g | 1.5 g | 0.2 g |
How tomato compares with other vegetables
Among the 38 vegetables in this group, raw tomatoes are lower in calories than most, ranking 32nd. Their sugar content is comparatively higher than many other vegetables, ranking 14th. For key vitamins, they rank 12th for Vitamin A and 21st for Vitamin C. Per 100 grams, their calorie count of 18 is very similar to that of zucchini (17 kcal), romaine lettuce (17 kcal), and radishes (16 kcal). The total carbohydrate content of tomatoes is nearly identical to that of asparagus (3.9 g).
| Per 100 g | Calories | Protein | Carbs | Fiber | Fat |
|---|---|---|---|---|---|
| Tomato | 18 | 0.88 g | 3.9 g | 1.2 g | 0.2 g |
| Zucchini | 17 | 1.2 g | 3.1 g | 1 g | 0.32 g |
| Romaine Lettuce | 17 | 1.2 g | 3.3 g | 2.1 g | 0.3 g |
| Radish | 16 | 0.68 g | 3.4 g | 1.6 g | 0.1 g |
| Asparagus | 20 | 2.2 g | 3.9 g | 2.1 g | 0.12 g |
Quick answers
How many calories are in a tomato?
A medium whole tomato (123 g) has 22 calories. A large whole tomato (182 g) has 33 calories, and one cup of chopped tomatoes has 32 calories.
How much sugar is in a tomato?
A 100-gram serving of raw tomato contains 2.6 grams of total sugars. A medium whole tomato has about 3.2 grams of sugar, and one cup of cherry tomatoes has 3.9 grams.
How much fiber is in a tomato?
There are 1.2 grams of dietary fiber in 100 grams of raw tomato. A medium whole tomato provides 1.5 grams of fiber, which is 4% of the Daily Value.
When to talk to a doctor or dietitian
- This page describes nutrient content, not medical advice. If a health condition, medicine or pregnancy affects what you eat, a doctor or registered dietitian can tell you how tomato fits your situation.
Last updated October 21, 2026