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Fresh Tomatoes Calories
Vitamin C, lycopene, low calorie
In season: Spring · Summer · Autumn
CALORIES
GI
POTASSIUM
FIBER
Quick answer
100 g of Fresh Tomatoes has 18 calories. It contains 3.9 g of carbs, 0.9 g of protein, 0.2 g of fat and 1.2 g of fiber. Its 13.7 mg of Vitamin C covers 15% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.
What is Fresh Tomatoes?
Fresh tomatoes are juicy, edible fruits from a plant native to South America, though they are treated as vegetables in everyday cooking. They are eaten around the world, from sliced tomatoes in sandwiches and salads to sauces and stews; ripe varieties are especially welcome in warm-weather cooking.
Their flavour balances gentle sweetness with acidity, and the flesh is tender and full of juice. Eat them raw with a little olive oil, or cook them down for a simple sauce. Tomatoes are mostly water, with some fibre and vitamin C; 100 g provides 18 calories. Pair them with beans, eggs or cheese for a more filling meal, or choose firm, ripe tomatoes when you want clean slices for a salad.
Fresh Tomatoes Nutrition Facts
Selected: 100 g
18
KCAL / 100G
Carbs
3.9g
· 1% DV
Protein
0.9g
· 2% DV
Fat
0.2g
· 0% DV
Fiber
1.2g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 74% · Protein 17% · Fat 9%
Fresh Tomatoes Vitamins & Minerals
Vitamins
Vitamin C
13.7mg · 15% DV
Vitamin K
7.9µg · 7% DV
Vitamin A
42µg · 5% DV
B6
0.08mg · 5% DV
Minerals
Potassium ⭐
237mg · 7% DV
Magnesium
11mg · 3% DV
Phosphorus
24mg · 3% DV
Calcium
10mg · 1% DV
How Nutritious Is Fresh Tomatoes?
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.
Fresh Tomatoes Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Fresh Tomatoes
To burn the 18 calories in 100 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.
Is Fresh Tomatoes 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 Fresh Tomatoes Contain Allergens?
No known major allergens
Which Diets Is Fresh Tomatoes 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
Fresh Tomatoes Fat Profile
SATURATED
0.03g
MONOUNSATURATED
0.03g
POLYUNSATURATED
0.05g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
Compare Fresh Tomatoes
Foods Similar to Fresh Tomatoes
Frequently Asked Questions About Fresh Tomatoes
Should fresh tomatoes be refrigerated?
Keep unripe fresh tomatoes at room temperature so they can ripen and retain their flavor. Refrigerate fully ripe tomatoes if you need to keep them longer, then let them warm up before eating for a better taste.
Can you freeze fresh tomatoes?
Yes, fresh tomatoes freeze well for cooking, but they become soft after thawing. Freeze them whole or chopped, and use them in soups, sauces, or stews rather than expecting them to keep their fresh-sliced texture.
How do you ripen fresh tomatoes quickly?
Put fresh tomatoes in a paper bag at room temperature; adding a ripe banana or apple can speed ripening by releasing ethylene. Check them often and remove any tomato that becomes moldy or overly soft.
Should you wash fresh tomatoes before eating them?
Yes, rinse fresh tomatoes under clean running water just before eating or cutting them. Don’t use soap or detergent; dry them with a clean towel, especially if you’re slicing them for a salad or sandwich.
Do fresh tomatoes need to be peeled?
No, fresh tomatoes don’t need peeling because the skin is edible. Peel them when you want a smoother sauce or soup; blanching briefly in hot water makes the skin easier to remove.
Are fresh tomato seeds safe to eat?
Yes, fresh tomato seeds are safe to eat, and most recipes leave them in. Remove them only when you want a less watery sauce or a smoother result, since the seed-filled pulp adds moisture.
Are fresh tomatoes healthier raw or cooked?
Both are nutritious in different ways: cooking can make tomato lycopene easier for the body to use, while heat reduces some vitamin C. Eating fresh tomatoes both raw and cooked gives you a mix of their benefits.
Why do fresh tomatoes sometimes taste mealy?
Fresh tomatoes can turn mealy when their texture has been damaged by cold storage or when they are overripe. Choose firm, fragrant tomatoes and store unripe ones at room temperature to help preserve their texture.
Can you eat green fresh tomatoes?
Yes, unripe green tomatoes can be eaten, especially when cooked, but they contain more natural glycoalkaloids than ripe tomatoes. Avoid eating large amounts raw or any that taste bitter; some varieties also stay green when ripe.
Can fresh tomatoes trigger acid reflux?
They can trigger heartburn or reflux symptoms in some people because tomatoes are acidic. If fresh tomatoes bother you, try a smaller portion with a meal rather than eating them alone.
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Nutrition data compiled from USDA FoodData Central and scientific sources.