How many calories are in tomatoes?
A medium tomato (4.3 oz, 123 g) has 22 calories. A small tomato has 16 calories and a large one 33 calories. Per 3.5 oz (100 g): 18 calories.
Numbers are for the USDA entry Tomatoes, red, ripe, raw, year round average. Other forms are compared below.
Calories in tomatoes by size and measure
| Measure | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup cherry tomatoes | 5.3 oz (149 g) | 27 calories | 1.3 g | 5.8 g | 0.3 g |
| 1 cup (chopped or sliced) | 6.3 oz (180 g) | 32 calories | 1.6 g | 7 g | 0.36 g |
| 1/2 cup | 2.6 oz (74 g) | 13 calories | 0.66 g | 2.9 g | 0.15 g |
| 1 large whole | 6.4 oz (182 g) | 33 calories | 1.6 g | 7.1 g | 0.36 g |
| 1 medium whole | 4.3 oz (123 g) | 22 calories | 1.1 g | 4.8 g | 0.25 g |
| 1 small whole | 3.2 oz (91 g) | 16 calories | 0.8 g | 3.5 g | 0.18 g |
| 1 plum tomato | 2.2 oz (62 g) | 11 calories | 0.55 g | 2.4 g | 0.12 g |
| 1 wedge (1/4 of medium tomato) | 1.1 oz (31 g) | 6 calories | 0.27 g | 1.2 g | 0.06 g |
| 1 slice (thick/large) | 1 oz (27 g) | 5 calories | 0.24 g | 1.1 g | 0.05 g |
| 1 slice (medium) | 20 g | 4 calories | 0.18 g | 0.78 g | 0.04 g |
| 1 cherry | 17 g | 3 calories | 0.15 g | 0.66 g | 0.03 g |
| 1 oz | 28 g | 5 calories | 0.25 g | 1.1 g | 0.06 g |
| 100 g | 3.5 oz | 18 calories | 0.88 g | 3.9 g | 0.2 g |
Weights are the household measures USDA lists for this exact food.
Where the calories come from
A medium tomato (4.3 oz, 123 g) has:
- Protein: 1.1 g per serving, about 17% of calories
- Carbs: 4.8 g per serving, about 75% of calories
- Fat: 0.25 g per serving, about 9% of calories
Shares use 4 calories per gram of protein and carbs and 9 per gram of fat. USDA calculates total calories with factors specific to each food, so shares are approximate.
Raw, cooked and other forms
Per 100 g, the 9 USDA entries below range from 15 calories in tomatoes, red, ripe, canned, with green chilies to 79 calories in tomatoes, red, ripe, cooked, stewed.
| USDA entry | Per 100 g | Per serving | Water |
|---|---|---|---|
| Tomatoes, red, ripe, raw | 18 calories | 22 calories per 1 medium whole (123 g) | 94.5% |
| Tomatoes, red, ripe, cooked | 18 calories | 22 calories per 1 medium (123 g) | 94.3% |
| Tomatoes, red, ripe, canned, stewed | 26 calories | — | 91.5% |
| Tomatoes, red, ripe, cooked, stewed | 79 calories | — | 80.6% |
| Tomatoes, canned, red, ripe, diced | 18 calories | — | 94.6% |
| Tomatoes, red, ripe, canned, with green chilies | 15 calories | — | 94.2% |
| Tomato, roma | 19 calories | — | 94.7% |
| Tomatoes, grape, raw | 27 calories | — | 92.5% |
| Tomatoes, green, raw | 23 calories | 28 calories per 1 medium (123 g) | 93% |
Each row is a separate USDA entry with its own household measure. A dash means USDA lists no comparable measure for that entry.
How tomatoes compare with other vegetables
Among the 50 vegetables people look up most, tomatoes rank 44th for calories per 3.5 oz (100 g) and 35th per typical serving.
| # | Food | Serving | Per serving | Per 100 g |
|---|---|---|---|---|
| 1 | Onion rings | 1 piece, 20.2 g | 58 calories | 288 calories |
| 2 | Garlic | 1 clove, 3 g | 4 calories | 143 calories |
| 3 | Potato salad | 1 cup, 250 g | 358 calories | 143 calories |
| … | ||||
| 7 | Potatoes | 1 medium potato, 173 g | 161 calories | 93 calories |
| 8 | Sweet potato | 1 medium, 114 g | 103 calories | 90 calories |
| … | ||||
| 42 | Green pepper | 1 medium, 119 g | 23 calories | 20 calories |
| 43 | Sauerkraut | 1 cup, 142 g | 27 calories | 19 calories |
| 44 | Tomatoes | 1 medium whole, 123 g | 22 calories | 18 calories |
| 45 | Zucchini | 1 medium, 196 g | 33 calories | 17 calories |
| 46 | Radish | 1 cup slices, 116 g | 19 calories | 16 calories |
The list is the 50 vegetables most asked about in US searches for protein, calories, carbs, sugar and fiber, each as one USDA entry with its usual serving. Rows in between are skipped (…).
Keep exploring
Sources
Nutrients and household measures: USDA FoodData Central, April 2026 release (accessed 2026-10-14)
- Tomatoes, red, ripe, raw: Tomatoes, red, ripe, raw, year round average, FDC ID 170457 (SR Legacy, published 2019-04-01) · full nutrition facts
- Tomatoes, red, ripe, cooked: Tomatoes, red, ripe, cooked, FDC ID 170050 (SR Legacy, published 2019-04-01)
- Tomatoes, red, ripe, canned, stewed: Tomatoes, red, ripe, canned, stewed, FDC ID 170052 (SR Legacy, published 2019-04-01)
- Tomatoes, red, ripe, cooked, stewed: Tomatoes, red, ripe, cooked, stewed, FDC ID 170089 (SR Legacy, published 2019-04-01)
- Tomatoes, canned, red, ripe, diced: Tomatoes, canned, red, ripe, diced, FDC ID 333281 (Foundation Foods, published 2019-04-01)
- Tomatoes, red, ripe, canned, with green chilies: Tomatoes, red, ripe, canned, with green chilies, FDC ID 170053 (SR Legacy, published 2019-04-01)
- Tomato, roma: Tomato, roma, FDC ID 1999634 (Foundation Foods, published 2021-10-28) · full nutrition facts
- Tomatoes, grape, raw: Tomatoes, grape, raw, FDC ID 321360 (Foundation Foods, published 2019-04-01)
- Tomatoes, green, raw: Tomatoes, green, raw, FDC ID 170456 (SR Legacy, published 2019-04-01)
Comparison foods:
- Onion rings: Onion rings, breaded, par fried, frozen, prepared, heated in oven, FDC ID 324317
- Garlic: Garlic, raw, FDC ID 1104647
- Potato salad: Potato salad, home-prepared, FDC ID 169269
- Potatoes: Potatoes, baked, flesh and skin, without salt, FDC ID 170093
- Sweet potato: Sweet potato, cooked, baked in skin, flesh, without salt, FDC ID 168483
- Green pepper: Peppers, bell, green, raw, FDC ID 2258588
- Sauerkraut: Sauerkraut, canned, solids and liquids, FDC ID 169279
- Zucchini: Squash, summer, zucchini, includes skin, raw, FDC ID 169291
- Radish: Radishes, raw, FDC ID 169276
How we calculate: every amount is the USDA value per 3.5 oz (100 g) scaled to the gram weight USDA lists for that measure. 1 oz = 28.35 g and 1 lb = 453.6 g. A dash (—) means USDA reports no value. How we verify.