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Tomato (whole) Calories
Vitamin C, low calorie, lycopene
In season: Spring · Summer · Autumn
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 piece (medium) of Tomato (whole) (120 g) has 22 calories. That works out to 18 calories per 100 g. It contains 4.7 g of carbs, 1.1 g of protein, 0.2 g of fat and 1.4 g of fiber. Its 16.4 mg of Vitamin C covers 18% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.
Tomato (whole) Nutrition Facts
Selected: 1 piece (medium) · 120 g
22
KCAL / 120G
Carbs
4.7g
· 2% DV
Protein
1.1g
· 2% DV
Fat
0.2g
· 0% DV
Fiber
1.4g
· 5% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 75% · Protein 18% · Fat 7%
Tomato (whole) nutrition facts table · 1 piece (medium) (120 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 22 kcal | |
| Total fat | 0.2 g | 0% |
| Saturated fat | 0.04 g | 0% |
| Trans fat | 0 g | |
| Sodium | 6 mg | 0% |
| Total carbohydrate | 4.7 g | 2% |
| Fiber | 1.4 g | 5% |
| Protein | 1.1 g | 2% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Medium Tomato (whole)?
| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 120 g | 22 kcal |
| 1 piece (extra small) | 40 g | 7 kcal |
| 1 piece (small) | 80 g | 14 kcal |
| 100 g | 100 g | 18 kcal |
| 1 cup (diced) | 150 g | 27 kcal |
| 1 piece (large) | 180 g | 32 kcal |
| 1 cup (chopped) | 180 g | 32 kcal |
| 2 piece (medium) | 240 g | 43 kcal |
| 1 piece (extra large) | 250 g | 45 kcal |
Calculated from 18 calories per 100 g.
Frequently Asked Questions About Tomato (whole)
Are tomatoes fruits or vegetables?
Botanically, a tomato is a fruit because it develops from a flower and contains seeds. In cooking, it is treated as a vegetable because it is usually used in savory dishes, salads, and sauces rather than desserts.
Should you refrigerate tomatoes?
Ripe tomatoes can be refrigerated if you need to keep them longer, but cold temperatures can dull their flavor and affect their texture. Let them come to room temperature before eating. Refrigerate cut tomatoes in a covered container.
How do you ripen tomatoes at home?
Leave tomatoes at room temperature, out of direct sunlight, until they soften and smell fragrant near the stem. To speed things up, place them in a paper bag with an apple, then check them regularly so they do not become overripe.
Can you freeze whole tomatoes?
Yes, you can freeze whole tomatoes, but they become soft when thawed, so they are best used in cooked sauces, soups, and stews. Wash and dry them first, then place them in an airtight freezer-safe container.
Can you eat tomato skin?
Yes, tomato skin is edible, so peeling tomatoes is optional. Keep it on for everyday cooking; peel tomatoes when a recipe calls for a particularly smooth sauce or when you prefer not to have the skin in the finished dish.
Are tomato seeds bad for you?
No, tomato seeds are safe to eat for most people. Removing them is a matter of texture or recipe preference, such as when you want a thicker sauce with less liquid—not a necessary health precaution.
Are cooked tomatoes healthier than raw tomatoes?
Neither form is universally better. Cooking makes lycopene in tomatoes easier for the body to use, while raw tomatoes provide vitamin C. Including both cooked and fresh tomatoes is a simple way to enjoy their different nutritional benefits.
Can you eat green tomatoes?
Yes, green tomatoes can be eaten when prepared as food, including in familiar cooked dishes. Avoid eating large amounts of raw, unripe tomatoes, since unripe tomatoes contain more tomatine and may cause stomach upset.
Do tomatoes trigger acid reflux?
They can trigger or worsen reflux symptoms for some people because tomatoes are acidic. If you notice heartburn after eating them, try a smaller portion or avoid tomato-based meals close to bedtime and see whether symptoms improve.
Can dogs eat tomatoes?
Dogs can eat small amounts of ripe red tomato flesh, but unripe tomatoes and the green leaves and stems contain compounds that can be harmful. Keep those parts away from dogs, and do not offer tomato sauces with added salt or seasonings.
Tomato (whole) Vitamins & Minerals
Vitamins
Vitamin C
16.44mg · 18% DV
Vitamin K
9.48µg · 8% DV
Biotin
1.8µg · 6% DV
B6
0.1mg · 6% DV
Minerals
Potassium ⭐
284mg · 8% DV
Copper
0.07mg · 8% DV
Manganese
0.14mg · 6% DV
Phosphorus
29mg · 4% DV
Sodium
6mg · 0% DV
Tomato (whole) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Tomato (whole)
To burn the 22 calories in 1 piece (medium) (120 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Tomato (whole)?
Botanically a fruit but used as a vegetable, a tomato has juicy flesh, edible seeds and a thin skin. It originated in South America and was later cultivated in Mexico; today it is a staple in kitchens around the world. The whole tomato is eaten fresh or cooked into sauces, soups and other dishes.
Its flavour ranges from sweet to pleasantly tart, and the texture can be crisp when firm or soft and juicy when ripe. It is common in salads and sandwiches, while cooking deepens its savoury taste. Tomatoes are low in calories and provide vitamin C and lycopene. Pair one with beans, eggs or whole-grain bread for a more filling meal.
How Nutritious Is Tomato (whole)?
Nutrient density
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Tomato (whole) Processed?
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Tomato (whole) Contain Allergens?
No known major allergens
Which Diets Is Tomato (whole) Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Tomato (whole) Fat Profile
SATURATED
0.04g
MONOUNSATURATED
0.04g
POLYUNSATURATED
0.06g
Omega 6:3 ratio 4:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.