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Tomato nutrition facts

One medium whole (2-3/5" dia) (123 g) of tomato has 22 calories, with 1.1 g protein, 4.8 g carbohydrate, 0.2 g fat, and is a notable source of vitamin c.

Key nutrition

Nutrition in 1 medium whole (2-3/5" dia) of tomato and per 100 g
Nutrient1 medium whole (2-3/5" dia) (123 g)Per 100 g% Daily Value
Calories22 kcal18 kcal—
Protein1.1 g0.88 g2%
Carbohydrate4.8 g3.9 g2%
Fibre1.5 g1.2 g5%
Sugars3.2 g2.6 g—
Fat0.25 g0.2 g0%
Saturated fat0.03 g0.03 g0%
Sodium6.2 mg5 mg0%
Potassium292 mg237 mg6%
Calcium12 mg10 mg1%
Iron0.33 mg0.27 mg2%
Vitamin C17 mg14 mg19%

Values are from the USDA FoodData Central database. The tool above shows every vitamin, mineral, fat and amino acid, and any portion you like.

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Frequently asked questions

How many calories are in tomato?
One medium whole (2-3/5" dia) (123 g) of tomato has about 22 calories. Per 100 g that is 18 calories. The figures are from the USDA FoodData Central database (lab-measured values).
How much protein is in tomato?
One medium whole (2-3/5" dia) (123 g) has 1.1 g of protein (0.9 g per 100 g). It is not a significant source of protein.
How many carbs are in tomato?
One medium whole (2-3/5" dia) (123 g) has 4.8 g of carbohydrate, of which 1.5 g is fibre and 3.2 g is sugars.
What vitamins and minerals does tomato contain?
Per medium whole (2-3/5" dia) (123 g), the most notable are vitamin c (19% of the Daily Value). The tool above lists every vitamin and mineral the USDA measured, at any portion size.
Where do these tomato nutrition numbers come from?
They come from the USDA FoodData Central database (SR Legacy), which is public domain, scaled to the portion shown. Brands and recipes vary, so treat them as typical values. Nothing you look up here is sent to a server.

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