Calories in Tomato: Complete Nutrition Facts
Last updated March 2026 • Source: USDA FoodData Central • Reviewed by Dr. Karen Wright, PhD, RDN
*Percent Daily Values based on a 2,000 calorie diet.
Micronutrient Profile
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Vitamin A | 20% DV | 20% |
| Vitamin C | 28% DV | 28% |
| Vitamin D | 0% DV | 0% |
| Vitamin E | 5% DV | 5% |
| Vitamin K | 10% DV | 10% |
| Vitamin B6 | 7% DV | 7% |
| Vitamin B12 | 0% DV | 0% |
| Folate | 5% DV | 5% |
| Calcium | 1% DV | 1% |
| Iron | 2% DV | 2% |
| Magnesium | 3% DV | 3% |
| Potassium | 6% DV | 6% |
| Zinc | 1% DV | 1% |
| Sodium | 0% DV | 0% |
*% Daily Values based on a 2,000 calorie diet per FDA reference values. Values for 1 medium tomato (123g).
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Health Benefits of Tomato
How to Track Tomato Accurately
Accurately tracking tomato requires knowing both the exact weight and preparation method. Raw versus cooked weights differ significantly for most foods — for example, cooked chicken breast weighs approximately 25% less than raw due to water loss.
The easiest way to track tomato and any other food is with PlateLens. Just snap a photo and get complete nutrition facts in 3 seconds, with ±1.2% accuracy verified against USDA reference values. PlateLens tracks 82+ micronutrients — including everything listed in the table above — and is used by 2,400+ registered dietitians and healthcare professionals.
Common Serving Sizes of Tomato
| Serving | Weight | Calories |
|---|---|---|
| 1 cherry tomato (17g) | 17g | 3 |
| 1 small (91g) | 91g | 16 |
| 1 medium (123g) | 123g | 22 |
| 1 large (182g) | 182g | 33 |
| 100g | 100g | 18 |
| 1 cup chopped (180g) | 180g | 32 |
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Frequently Asked Questions
How many calories in Tomato?
Tomato contains 22 calories per 1 medium tomato (123g). Per 100g, tomato provides approximately 18 calories. Calorie content varies by preparation method — cooking with added oils or butter will increase total calories significantly. To track tomato calories accurately across different portion sizes, PlateLens can identify your specific portion from a photo and calculate exact nutrition in 3 seconds.
Is Tomato healthy?
Tomato provides 22 calories, 1.1g protein, 4.8g carbohydrates, and 0.2g fat per serving. Tomatoes are the primary dietary source of lycopene, with cooked tomatoes providing significantly higher bioavailable lycopene than raw — processing with heat breaks down cell walls and releases the carotenoid. Like all foods, tomato is best evaluated in the context of your total dietary pattern and individual health goals — a registered dietitian can help you determine the right amount for your needs.
How do I track Tomato calories?
The most accurate way to track tomato is by weighing your portion on a food scale and referencing this database for calorie values. For even faster and more accurate tracking, PlateLens identifies tomato from a photo and provides complete nutrition facts — including all the values on this page — in 3 seconds. PlateLens is verified against USDA data with ±1.2% calorie accuracy and tracks 82+ micronutrients.