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Glossy red tomato flesh cut into small, uneven cubes sits in a shallow pool of thin reddish juice, with a few pale seeds and bits of soft pulp visible.
●Low GI

Canned diced tomatoes Calories

Low-calorie canned diced tomatoes with vitamin C and lycopene

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

32kcal

GI

38low

POTASSIUM · 100 G

220mg

FIBER · 100 G

1.7g

Quick answer

½ cup (diced) of Canned diced tomatoes (120 g) has 38 calories. That works out to 32 calories per 100 g. It contains 8.4 g of carbs, 1.7 g of protein, 0.2 g of fat and 2 g of fiber. Its 11.4 mg of Vitamin C covers 13% of the Daily Value. Its glycemic index is 38 (low), so it raises blood sugar slowly.

Canned diced tomatoes Nutrition Facts

Selected: ½ cup (diced) · 120 g

38

KCAL / 120G

Carbs

8.4g

· 3% DV

Protein

1.7g

· 3% DV

Fat

0.2g

· 0% DV

Fiber

2g

· 7% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 80% · Protein 16% · Fat 4%

Canned diced tomatoes nutrition facts table · ½ cup (diced) (120 g)

NutrientAmount% DV
Calories38 kcal
Total fat0.2 g0%
Saturated fat0.04 g0%
Trans fat0 g
Sodium216 mg9%
Total carbohydrate8.4 g3%
Fiber2 g7%
Protein1.7 g3%

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 ½ Cup of Canned diced tomatoes?

ServingAmountCalories
½ cup (diced)120 g38 kcal
2 tablespoon (diced)30 g10 kcal
0.25 cup (diced)60 g19 kcal
4 tablespoon (diced)60 g19 kcal
100 g100 g32 kcal
1 serving (medium)150 g48 kcal
1 cup (diced)240 g77 kcal
1 serving (large)250 g80 kcal
1 can (whole)400 g128 kcal

Calculated from 32 calories per 100 g.

Frequently Asked Questions About Canned diced tomatoes

Can canned diced tomatoes be used instead of fresh tomatoes in a recipe?

Yes, canned diced tomatoes can replace fresh tomatoes in cooked dishes such as pasta sauce, chili, and stew. They are already softened by canning, so add them later or shorten the cooking time if you want the pieces to hold their shape.

Do canned diced tomatoes need to be cooked before eating?

No, canned diced tomatoes do not need additional cooking to be safe to eat; they have been heat-processed during canning. Cooking them is still useful for hot recipes because it blends their flavor and reduces excess liquid.

How long do opened canned diced tomatoes last in the fridge?

Opened canned diced tomatoes generally keep for about 3–4 days in the refrigerator when transferred to a clean, covered glass or plastic container. Do not leave leftovers in the opened metal can, and discard them if you notice mold or an off smell.

Can you freeze canned diced tomatoes after opening the can?

Yes, you can freeze opened canned diced tomatoes. Transfer them to a freezer-safe airtight container, leaving a little room for expansion. They may become softer after thawing, so use them in cooked sauces, soups, or stews rather than dishes that need firm pieces.

Are canned diced tomatoes already peeled?

Usually, yes: many canned diced tomatoes are peeled before they are chopped and packed. Some products may retain bits of skin, so expect the texture to vary; the pieces soften further when simmered in a sauce or stew.

What is the liquid in a can of diced tomatoes?

The liquid is mostly tomato juice released during processing, sometimes with added tomato juice or purée. It is edible and can go into a sauce or soup; drain some off only when a recipe needs less moisture.

Do canned diced tomatoes contain preservatives?

Many canned diced tomatoes are preserved by heat processing and do not need added chemical preservatives, but ingredients vary by product. Some include salt, herbs, or calcium chloride, which helps the tomato pieces stay firmer.

Are canned diced tomatoes as nutritious as fresh tomatoes?

Canned diced tomatoes still provide nutrients found in tomatoes, including lycopene, though heat processing can reduce some vitamin C. Canning also makes the tomatoes convenient year-round; sodium content can vary if salt has been added.

Can you eat canned diced tomatoes straight from the can?

Yes, canned diced tomatoes can be eaten without further cooking if the can is intact and the product looks and smells normal. Once opened, refrigerate leftovers promptly in a separate covered container rather than storing them in the can.

How can you make canned diced tomatoes less acidic in a sauce?

Simmering canned diced tomatoes with onions, carrots, or a little olive oil can round out a sharp-tasting sauce. Taste as it cooks; adding a small pinch of sugar is another option, but it is not necessary for food safety.

Canned diced tomatoes Vitamins & Minerals

Vitamins

Vitamin C

11.4mg · 13% DV

B6

0.1mg · 6% DV

Vitamin K

6.6µg · 6% DV

B3

0.84mg · 5% DV

Minerals

Sodium

216mg · 9% DV

Copper

0.07mg · 8% DV

Potassium ⭐

264mg · 8% DV

Manganese

0.13mg · 6% DV

Canned diced tomatoes Glycemic Index

GLYCEMIC INDEX

38
Low
0 Low5570100

GLYCEMIC LOAD

3.2
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Canned diced tomatoes

To burn the 38 calories in ½ cup (diced) (120 g):

🚶

9min

Walking (5 km/h)

🏃

4min

Running (8 km/h)

🚴

5min

Cycling

🏊

4min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Canned diced tomatoes?

Canned diced tomatoes are ripe tomatoes chopped and sealed for storage, making them a convenient stand-in for fresh tomatoes. In Turkey, a home-canned version is often kept ready for menemen, the skillet dish of tomatoes, peppers and eggs; elsewhere, the same pantry staple goes into soups, sauces and stews.

They soften as they cook, bringing a bright, gently tangy tomato flavour to the dish. For a quick breakfast or brunch, cook them with peppers and add eggs near the end; you can also stir them into a simple pasta sauce. They are low in energy, at 32 kcal per 100 g. Use a measured amount of oil for a lighter pan, and serve with bread if you like.

How Nutritious Is Canned diced tomatoes?

Nutrient density

High

62/ 100

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

47/ 100

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 Canned diced tomatoes Processed?

NOVA 3

Processed

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 Canned diced tomatoes Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Canned diced 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

— Not suitable

Low FODMAP

— Not suitable

Canned diced tomatoes Fat Profile

SATURATED

0.04g

MONOUNSATURATED

0.04g

POLYUNSATURATED

0.11g

⚖️

Omega 6:3 ratio 10:1

Above the ideal 4:1 (10:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.