Calories in Tomato
The tomato is a versatile fruit, commonly used as a vegetable, known for its juicy texture and slightly sweet-tart flavor. It's low in calories and a good source of vitamins, minerals, and powerful antioxidants like lycopene.

Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 100 g | 100 g | 18 | 0.9g | 3.9g | 0.2g |
| 1 oz, raw, yields (26g) | 1 oz, raw, yields (26g) | 5 | 0.2g | 1g | 0.1g |
| 1 small whole (2-2/5" dia) (91g) | 1 small whole (2-2/5" dia) (91g) | 16 | 0.8g | 3.6g | 0.2g |
| 1 medium slice (1/4" thick) (20g) | 1 medium slice (1/4" thick) (20g) | 4 | 0.2g | 0.8g | 0g |
| 1 large whole (3" dia) (182g) | 1 large whole (3" dia) (182g) | 33 | 1.6g | 7.1g | 0.4g |
| 1 cup chopped or sliced (180g) | 1 cup chopped or sliced (180g) | 32 | 1.6g | 7.1g | 0.4g |
Health Benefits
Rich in Lycopene: A powerful antioxidant that may reduce the risk of heart disease and certain cancers, particularly prostate cancer.
Good Source of Vitamin C: Boosts immunity, promotes collagen production for healthy skin, and acts as an antioxidant.
Hydrating: With over 90% water content, tomatoes contribute to daily hydration and overall bodily functions.
Nutrition Tips
- Enjoy raw tomatoes in salads or sandwiches for maximum nutrient retention, especially Vitamin C.
- Cooking tomatoes, such as in sauces or soups, significantly increases the bioavailability of lycopene, a powerful antioxidant.
- Pair tomatoes with healthy fats like olive oil to enhance the absorption of fat-soluble vitamins and lycopene.
- Choose ripe, firm tomatoes for the best flavor and nutritional value; they tend to have higher antioxidant levels.
- Store tomatoes at room temperature away from direct sunlight to preserve their freshness, flavor, and nutrient content.
GAYA Tracking Tip
For accurate tracking of tomatoes, ensure they are clearly visible in your photo, especially if part of a mixed dish. GAYA can distinguish between raw and cooked forms, and different sizes.
Frequently Asked Questions
Are tomatoes good for weight loss?+
Yes, tomatoes are an excellent food for weight loss. They are low in calories and high in water and fiber, which helps you feel full and satisfied without consuming excessive calories. Their nutrient density also supports overall health during a calorie deficit.
What's the difference between a tomato and a fruit?+
Botanically, a tomato is classified as a fruit because it develops from the flower's ovary and contains seeds. However, in culinary contexts, it's often treated as a vegetable due to its savory flavor profile and common use in main dishes rather than desserts.
Do cooked tomatoes have more nutrients than raw?+
Cooking tomatoes, especially with a little oil, significantly increases the bioavailability of lycopene, a powerful antioxidant. While some heat-sensitive nutrients like Vitamin C might be slightly reduced, the overall health benefits from increased lycopene absorption often outweigh this minor loss.
Related Foods
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