Tomato calories & macros
18 calories per 100 g · 22 calories per 1 medium (123 g). Tomato (raw).
A tomato is about 95% water, so a medium one is only around 22 calories. It brings flavor, acidity, and lycopene to a plate for almost nothing, which is why tomatoes are the base of so many low-calorie sauces and salads. Cooked tomatoes actually release more usable lycopene than raw.
Full nutrition facts
| Nutrient | Per 100 g | Per 1 medium (123 g) |
|---|---|---|
| Calories | 18 | 22 |
| Protein | 0.9 g | 1.1 g |
| Carbohydrate | 3.9 g | 4.8 g |
| Fat | 0.2 g | 0.2 g |
| Fiber | 1.2 g | 1.5 g |
| Sugar | 2.6 g | 3.2 g |
Source: USDA FoodData Central #170457 (Tomatoes, red, ripe, raw). Values are for the edible portion and vary with variety, ripeness, and preparation.
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Frequently asked
How many calories in a tomato?
A medium tomato (123 g) has about 22 calories. A cup of cherry tomatoes is roughly 27 calories.
Are tomatoes good for weight loss?
Yes. They are almost all water, very low in calories, and add big flavor to meals, making them a great way to bulk up a plate.