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Tomato slice calories

Tomato slice, red, ripe, raw
4kcal
1 medium slice · 20 g, red, ripe, raw
17%protein
0.2 gProtein
1 gCarbs
0 gFat
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Nutrition facts
Red, ripe, raw · per 20 g
Calories4 kcal
Protein0.2 g
Carbohydrate0.8 g
Fat0 g
Saturated fat0 g
Cholesterol0 mg
Sodium1 mg
Potassium47 mg
Iron0.1 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

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Calories per 100 g
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Tomato slice FAQs
How many calories are in one tomato slice?

A medium raw tomato slice, about 1/4 inch thick (20 g), has about 4 calories.

Are tomato slices good for weight loss?

Raw tomato has 18 calories and 1.2 g of fiber per 100 g, so a full cup of slices (180 g) comes to 32 calories.

Tomato slice vs cherry tomato: which has fewer calories?

Sliced red tomato has 18 calories per 100 g, compared with 27 per 100 g for cherry tomatoes.

How many carbs are in a tomato slice?

A medium slice (20 g) has 0.8 g of carbs, including 0.5 g of sugars. A cup of slices has 7.0 g of carbs.