Tomato

Q: How many calories in piece of tomato?

About 6 calories, with roughly 0.2g of protein. piece weighs about 3g. Use the slider above for any other portion.

Fiber, water, and the vitamins nothing else brings.

213

cal per 100 g

Portion explorer

How much are you eating?

Drag the slider or type grams. Everything below updates live.

= 0.1 oz

Calories

Protein

0.2g

Carbs

0.7g

Fat

0.4g

Protein 8% Carbs 39% Fat 53%

Get weekly calorie thinking from Caloro

One short email a week — food comparisons, restaurant hacks, and honest calorie thinking. No fluff, no fads.

Unsubscribe anytime. No spam.

You’re on the list. Your first email arrives once we have something worth sending — probably this week.

Tomato: 213 cal per 100g, mixed macros.

No single number tells the story. Use the slider to fit it to your day.

Reverse calculator

Work backwards from your target.

To hit grams of protein, eat:

—

For calories, eat:

—

Burn it off

What per 100 g costs.

Minutes for a 155 lb (70 kg) adult to burn 213 cal. Adjust down for lighter, up for heavier.

Walking

min · 3.5 mph

Cycling

min · easy pace

Jogging

min · 5 mph

Swimming

min · freestyle

Estimates from the Compendium of Physical Activities. Real burn depends on weight, intensity, and fitness.

Full nutrient panel · per 100 g

What else is in there.

From USDA FoodData Central (SR Legacy). %DV against the FDA 2,000-calorie reference.

Fiber5.8 g21%

Saturated fat1.893 g9%

Cholesterol0 mg0%

Sodium266 mg12%

Potassium1565 mg33%

Calcium47 mg4%

Iron2.68 mg15%

Magnesium81 mg19%

Zinc0.78 mg7%

Vitamin C101.8 mg113%

Vitamin A64 mcg7%

Vitamin D0 mcg0%

Vitamin B60.319 mg19%

Vitamin B120 mcg0%

Folate23 mcg6%

Niacin3.63 mg23%

How it stacks

Compared to its neighbors.

per 100 g, as-served. Same portion, honest comparison.

Tomato

45 more calories per 100g · +9g protein.

Cal258 Protein14.1 g Fat3 g

Lentils

107 fewer calories per 100g · +4g protein.

Cal106 Protein9 g Fat0.6 g

Grape Leaves

120 fewer calories per 100g · -12g fat.

Cal93 Protein5.6 g Fat2.1 g

Common questions

The stuff people actually ask.

How many calories in piece of tomato?

About 6 calories, with roughly 0.2g of protein. piece weighs about 3g. Use the slider above for any other portion.

Is tomato actually healthy, or is that marketing?

By the numbers on this page: balanced enough that "healthy" is the wrong axis. It is food.

Stop typing grams. Snap the plate.

Caloro reads any food from a photo and logs it in a second. Free to try, no card.

Open Caloro →