Calories and macros in tomatoes
20 calories in 100 g of tomato: 0.8 g protein, 4 g carbs and 0.3 g fat.
Per 100 g: 20 kcal · 0.8 g protein · 4 g carbs · 0.3 g fat.
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 100 g | 20 kcal | 0.8 g | 4 g | 0.3 g |
| 1 cup (US) · 180 g | 36 kcal | 1.5 g | 7.3 g | 0.6 g |
| 1 slice · 20 g | 4 kcal | 0.2 g | 0.8 g | 0.1 g |
Where the calories come from
- Protein 15%
- Carbs 73%
- Fat 12%
Estimated with 4 kcal per gram of protein or carbs and 9 per gram of fat, so it may not match the measured calories exactly.
Log it without searching a list
Type or say: “Had a tomato, cucumber and cheese salad.”
Fituba picks out the foods and amounts, adds up calories, protein, carbs and fat, and lets you fix the serving. Just an example of how to write it, not diet advice.FAQ
How many calories are in 100 g of tomato?
20 calories in 100 g of tomato: 0.8 g protein, 4 g carbs and 0.3 g fat.
How much protein is in tomatoes?
100 g of tomatoes has 0.8 g of protein: 15% of its calories.
How do I log tomatoes in Fituba?
Type something like “Had a tomato, cucumber and cheese salad.” Fituba recognizes the food and the amount, works out its calories and macros from references like this one, and lets you fix the serving.
Sources and limits
Generic reference from USDA FoodData Central, FNDDS 2021–2023 (public domain, CC0): Tomato, raw, FDC 2709719. Cups are US cups. A different brand, recipe or preparation can vary: if you have the label, use it. This data describes foods; it isn't advice on how much to eat.
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