Calories in a tomato
A tomato (1 medium whole, 123 g) has 22 calories, with 1.1 g of protein, 4.8 g of carbohydrates and 0.2 g of fat. Per 100 g, that's 18 kcal.
Values are for Tomatoes, red, ripe, raw, year round average. Amounts vary with size, variety and preparation.
Tomato
Per 1 medium whole (123 g)
Source: USDA FoodData Central.
Calories in a tomato by serving
| Serving | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 100 g | 100 g | 18 | 0.9 g | 3.9 g | 0.2 g |
| 1 cup cherry tomatoes | 149 g | 27 | 1.3 g | 5.8 g | 0.3 g |
| 1 cup, chopped or sliced | 180 g | 32 | 1.6 g | 7 g | 0.4 g |
| 1 Italian tomato | 62 g | 11 | 0.5 g | 2.4 g | 0.1 g |
| 1 cherry | 17 g | 3 | 0.1 g | 0.7 g | 0 g |
| 1 large whole (3" dia) | 182 g | 33 | 1.6 g | 7.1 g | 0.4 g |
| 1 medium whole (2-3/5" dia) | 123 g | 22 | 1.1 g | 4.8 g | 0.2 g |
| 1 slice, medium (1/4" thick) | 20 g | 4 | 0.2 g | 0.8 g | 0 g |
| 1 plum tomato | 62 g | 11 | 0.5 g | 2.4 g | 0.1 g |
| 1 oz | 28 g | 5 | 0.2 g | 1.1 g | 0.1 g |
Where the calories come from
Protein 17%Carbs 75%Fat 8%
Tomato has a very low energy density (0.2 kcal per gram). It provides 4.9 g of protein per 100 kcal.
Vegetables: calories compared
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Celery | 14 | 0.7 g | 3 g | 0.2 g |
| Cucumber | 15 | 0.7 g | 3.6 g | 0.1 g |
| Zucchini | 17 | 1.2 g | 3.1 g | 0.3 g |
| Romaine lettuce | 17 | 1.2 g | 3.3 g | 0.3 g |
| Tomato | 18 | 0.9 g | 3.9 g | 0.2 g |
| Asparagus | 20 | 2.2 g | 3.9 g | 0.1 g |
| Mushrooms | 22 | 3.1 g | 3.3 g | 0.3 g |
| Spinach | 23 | 2.9 g | 3.6 g | 0.4 g |
| Cauliflower | 25 | 1.9 g | 5 g | 0.3 g |
| Red bell pepper | 26 | 1 g | 6 g | 0.3 g |
| Green beans | 31 | 1.8 g | 7 g | 0.2 g |
| Broccoli | 34 | 2.8 g | 6.6 g | 0.4 g |
| Onion | 40 | 1.1 g | 9.3 g | 0.1 g |
| Carrots | 41 | 0.9 g | 9.6 g | 0.2 g |
| Green peas | 78 | 5.2 g | 14.3 g | 0.3 g |
| Sweet potato | 90 | 2 g | 20.7 g | 0.1 g |
| Baked potato | 93 | 2.5 g | 21.1 g | 0.1 g |
| Corn on the cob | 96 | 3.4 g | 21 g | 1.5 g |
Log it in seconds
In C for Calories, photograph your plate and a tomato is estimated along with everything else on it, or search for it and enter the amount in grams. For packaged versions, scan the barcode to use the label.
Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy, FDC ID 170457. Calories are rounded to the nearest whole number and nutrients to one decimal place.
FAQ
Frequently asked questions
How many calories are in a tomato?
22 calories in 1 medium whole (123 g), or 18 calories per 100 g.
How much protein is in a tomato?
1.1 g of protein in 1 medium whole (123 g) (0.9 g per 100 g).
How many carbs are in a tomato?
4.8 g of carbohydrates in 1 medium whole (123 g), including 1.5 g of fiber.