Vegetables

Roma tomato calories and nutrition

A USDA reference plum tomato (62 g) has 11 calories, with 0.5 g of protein, 2.4 g of carbs and 0.1 g of fat. That is 18 calories per 100 g.

Raw red tomato, generic data with USDA plum-tomato portion. Data: USDA FoodData Central, “Tomatoes, red, ripe, raw, year round average”. SR Legacy has no Roma-specific nutrient analysis. This estimate uses generic raw red tomato data and USDA’s 62 g plum-tomato household portion; actual Roma tomatoes vary in size.

1 USDA reference plum tomato · 62 g

11 calories

Protein: 0.5 g17% of calories · 1% DV
Carbs: 2.4 g75% of calories · 1% DV
Fat: 0.1 g9% of calories · 0% DV

Fiber: 0.7 g
Sugars: 1.6 g
Saturated fat: 0.0 g
Sodium: 3.1 mg

Nutrition in a Roma tomato: the plum-tomato estimate

This USDA serving (62 g) has 11 calories, 0.5 g protein, 2.4 g carbs and 0.1 g fat. The figures apply to raw red tomato, generic data with USDA plum-tomato portion; use the serving table to match your portion. Sources ↓

Calories in roma tomato by serving

Serving	Calories	Protein	Carbs	Fat
1 USDA reference plum tomato62 g	11	0.5 g	2.4 g	0.1 g
2 USDA reference plum tomatoes124 g	22	1.1 g	4.8 g	0.2 g
1 cup, chopped or sliced180 g	32	1.6 g	7.0 g	0.4 g
100 g100 g	18	0.9 g	3.9 g	0.2 g

Serving weights are USDA’s household measures for this food.

Roma tomato nutrition facts

Per 100 g, 18 calories: 17% from protein, 75% from carbs and 9% from fat.

Nutrient	Per 100 g	Per serving1 USDA reference plum tomato · 62 g	% Daily Value
Calories	18	11	–
Total fat	0.2 g	0.1 g	0%
Saturated fat	0.0 g	0.0 g	0%
Cholesterol	0 mg	0 mg	0%
Sodium	5.0 mg	3.1 mg	0%
Total carbohydrate	3.9 g	2.4 g	1%
Dietary fiber	1.2 g	0.7 g	3%
Total sugars	2.6 g	1.6 g	–
Protein	0.9 g	0.5 g	1%
Vitamin D	0 µg	0 µg	0%
Calcium	10 mg	6.2 mg	0%
Iron	0.3 mg	0.2 mg	1%
Potassium	237 mg	147 mg	3%
Vitamin A	42 µg	26 µg	3%
Vitamin C	14 mg	8.5 mg	9%

% Daily Value is per serving (1 USDA reference plum tomato), using the FDA’s Daily Values. Calorie shares use 4 calories per gram of protein and carbs and 9 per gram of fat.

How long to walk it off

Walking at 3 mph, a 150-lb adult burns about 3.2 calories a minute on top of what they would burn at rest. So a USDA reference plum tomato (11 calories) takes about 4 minutes of walking, roughly 400 steps.

Work it out for your weight and pace →

Related foods to explore

Mini cucumber4 calories in 1 oz of raw cucumber with peel15 per 100 g
Red onion32 calories in ½ cup of chopped raw onion40 per 100 g
Green bell pepper24 calories in a medium raw green bell pepper20 per 100 g
Cos lettuce8 calories in a cup of shredded raw romaine lettuce17 per 100 g

All foods →

Roma tomato questions

How much protein is in a USDA reference plum tomato?

A USDA reference plum tomato (62 g) has 0.5 g of protein, 1% of the 50 g Daily Value. That is 0.9 g per 100 g.

How many calories are in roma tomato?

A USDA reference plum tomato (62 g) has 11 calories: 0.1 g fat, 2.4 g carbs (0.7 g of it fiber) and 0.5 g protein.

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Sources

U.S. Department of Agriculture, FoodData Central: Tomatoes, red, ripe, raw, year round average (FDC ID 170457, SR Legacy, published 2019-04-01).
U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels.
Walking time: the method of our walking calorie calculator (2024 Adult Compendium of Physical Activities; CADENCE-Adults for steps).

Prepared by the KaloCam team · Updated October 21, 2026