🥦 Vegetablesveganvegetariangluten free
🍅 Calories in Tomato
Low calorie with lycopene — the antioxidant linked to heart and cancer protection
Per 100g
18kcal
0.9g
Protein
3.9g
Carbs
0.2g
Fat
Calculate Your Serving
Full Nutrition Facts — Per 100g
| Nutrient | Per 100g | Per 1 medium tomato (123g) |
|---|---|---|
| Calories | 18kcal | 22kcal |
| Protein | 0.9g | 1.1g |
| Total Carbs | 3.9g | 4.8g |
| — of which Sugar | 2.6g | 3.2g |
| Total Fat | 0.2g | 0.2g |
| Dietary Fibre | 1.2g | 1.5g |
| Sodium | 5mg | 6mg |
Macro Breakdown
Protein0.9g (3.6 kcal)
Carbohydrates3.9g (15.6 kcal)
Fat0.2g (1.8 kcal)
All values per 100g. Protein & carbs = 4 kcal/g · Fat = 9 kcal/g
Key Vitamins & Minerals
Iron0.3mg
2% of daily reference intake
Vitamin C13.7mg
17% of daily reference intake
Potassium237mg
7% of daily reference intake
✅ Key Nutrition Facts
- •Only 18 kcal per 100g — almost calorie-free
- •Rich in lycopene — most bioavailable when cooked
- •Good source of vitamin C and potassium
- •Lycopene linked to reduced risk of prostate cancer in studies
Calories by Serving Size
| Serving | Grams | Calories | Protein |
|---|---|---|---|
| 1 medium tomato (123g) | 123g | 22 kcal | 1.1g |
| 100g | 100g | 18 kcal | 0.9g |
| Cherry tomatoes (100g) | 100g | 18 kcal | 0.9g |
| Half cup chopped (90g) | 90g | 16 kcal | 0.8g |
Frequently Asked Questions
How many calories in a tomato?+
A medium tomato (123g) contains approximately 22 calories. Per 100g, tomatoes have only 18 calories — making them one of the most calorie-friendly whole foods.
Is tomato a fruit or vegetable?+
Botanically, tomato is a fruit (it contains seeds and develops from a flower). Culinarily and nutritionally, it is used as a vegetable. For nutrition purposes it is categorised as a low-calorie, nutrient-dense vegetable.
Compare with Similar Foods
Data source: USDA FoodData Central & peer-reviewed nutritional references. Values are averages — actual nutrient content varies by brand, preparation method, and growing conditions. Not medical advice.