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Calories in tomato

18 cal / 100 g
The short answer

Tomato: about 18 calories per 100 g. A portion of 1 cup cherry tomatoes (149 g) has about 27 calories.

Calories and nutrients by portion

PortionGramsCaloriesProteinCarbsFat
100 g (3.5 oz)100 g180.9 g3.9 g0.2 g
1 cup cherry tomatoes149 g271.3 g5.8 g0.3 g
1 cup, chopped or sliced180 g321.6 g7 g0.4 g
1 Italian tomato62 g110.5 g2.4 g0.1 g
1 cherry17 g30.1 g0.7 g0 g
1 large whole (3" dia)182 g331.6 g7.1 g0.4 g

Where the calories come from

  • Protein 17%
  • Carbs 75%
  • Fat 9%

Shares are estimated with 4 calories per gram of protein and carbohydrate and 9 per gram of fat.

Full nutrition per 100 g

Calories18 kcal
Protein0.9 g
Carbohydrate3.9 g
of which sugars2.6 g
Fibre1.2 g
Fat0.2 g
of which saturated0 g
Cholesterol0 mg
Sodium5 mg
Potassium237 mg
Calcium10 mg
Iron0.3 mg
Vitamin C13.7 mg
Water94.5 g

How it compares with other vegetables

Among the 28 vegetables listed on this site, tomato ranks number 6 from the lowest in calories per 100 g, and number 25 from the highest in protein per 100 g.

Fewer calories per 100 g

  • Zucchini 17 cal
  • Romaine lettuce 17 cal
  • Radish 16 cal

More calories per 100 g

  • Asparagus 20 cal
  • Mushrooms 22 cal
  • Spinach 23 cal

What 27 calories equal in exercise

For a 155 lb (70 kg) person, Harvard Health lists about 133 calories for 30 minutes of walking at 3.5 mph and about 288 for 30 minutes of running at 5 mph. By that chart, a portion of tomato (1 cup cherry tomatoes, 27 calories) equals about 6 minutes of walking or 3 minutes of running. Use the calories burned calculator for your own weight.

About these numbers

The figures come from the USDA FoodData Central entry “Tomatoes, red, ripe, raw, year round average”. They describe the raw food. Cooking changes the water content, so calories per 100 g will differ once it is cooked. They are reference averages, so brands, ripeness, cuts and recipes shift the real number. Treat them as estimates, and weigh food for the closest result.

Quick answers

How many calories are in tomato (1 cup cherry tomatoes)?

About 27 calories (≈). That is 1 cup cherry tomatoes (149 g) of tomato, using the USDA reference value of 18 calories per 100 g.

How many calories are in 100 grams of tomato?

About 18 calories (≈). One ounce (28 g) is about 5 calories.

How much protein is in tomato?

0.9 g per 100 g, and about 17% of its calories come from protein (≈). A portion of 1 cup cherry tomatoes has about 1.3 g.

Source

  • USDA FoodData Central, SR Legacy: Tomatoes, red, ripe, raw, year round average (FDC ID 170457)
  • U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov
  • Harvard Health: calories burned in 30 minutes for people of three different weights

General information, not medical advice. Nutrient values are estimates and vary by product and portion.

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