Calories in grilled tomatoes: 17 kcal per 100 g

What’s in an 80 g portion

More than half of a portion is water. The rest is 2.7 g carbohydrate and 0.8 g fibre.

0.16 gFat

0.48 gProtein

2.7 gCarbohydrate

0.8 gFibre

74.6 gWater

1.2 gMinerals and the rest

0.16 gFat
0.48 gProtein
2.7 gCarbohydrate
0.8 gFibre
74.6 gWater
1.2 gMinerals and the rest

Below average for vegetables

Tomatoes are 17 kcal per 100 g. The 240 vegetables in this database average 59.9.

Tomatoes17

Vegetables average59.9

Low in sugar, almost no salt

Low sugars and very low salt by UK labelling rules, per 100 g.

Sugars, per portion2.7 g

Salt, per portion0 g

Vitamins and minerals in tomatoes

One of the 23 recorded reach the “high in” level. Vitamin C leads.

30 %

Vitamin C

24 mg in an 80 g portion

55th of 216 vegetables

Vitamin C contributes to the normal function of the immune system, to the reduction of tiredness and fatigue, and to normal collagen formation.

Vitamin K0.01 mg13 %

Chloride74.4 mg9.3 %

Vitamin B60.12 mg8.6 %

Potassium167 mg8.4 %

Vitamin E0.71 mg5.9 %

Only a trace

Selenium

None recorded

Vitamin D
Vitamin B12

Show all 23 with amounts

Vitamin C24 mg, 30 %

Vitamin K0.01 mg, 13 %

Chloride74.4 mg, 9.3 %

Vitamin B60.12 mg, 8.6 %

Potassium167 mg, 8.4 %

Vitamin E0.71 mg, 5.9 %

Vitamin A0.0472 mg, 5.9 %

Folate0.0112 mg, 5.6 %

Manganese0.11 mg, 5.6 %

Thiamin (vitamin B1)0.04 mg, 3.6 %

Niacin (vitamin B3)0.56 mg, 3.5 %

Copper0.03 mg, 3.2 %

Pantothenic acid (vitamin B5)0.15 mg, 2.5 %

Phosphorus16.8 mg, 2.4 %

Biotin0.00104 mg, 2.1 %

Magnesium7.2 mg, 1.9 %

Iron0.21 mg, 1.5 %

Iodine0.0016 mg, 1.1 %

Calcium8 mg, 1 %

Zinc0.08 mg, 0.8 %

Riboflavin (vitamin B2)0.01 mg, 0.6 %

Vitamin Dnone recorded

Vitamin B12none recorded

Badges use the UK legal thresholds per 100 g: 15 % of the reference intake for “source of”, 30 % for “high in”. A trace is shown as “trace” and never counts.

What tomatoes don’t give you. And where to find it.

No recorded vitamin D or selenium, and only 1 % of the zinc reference intake per 100 g.

Vitamin D

0mgin tomatoes

Find it inBloater, grilled500 % per 100 g

Selenium

Tracein tomatoes

Find it inKidney, pig, fried491 % per 100 g

Zinc

1%in tomatoes, per 100 g

Find it inOysters, raw592 % per 100 g

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0.075 mgSelenium, 136 %

0.00125 mgVitamin D, 25 %

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Made in Cambridgeshire

Made in the UK since 1998, with every nutrient and its declared amount listed on the label.

Tomatoes against other vegetables

Per 100 g, brussels sprouts (boiled) have the most vitamin C in this comparison, followed by taro leaves (steamed) and tomatoes.

40mg

35mg

30mg

22mg

20mg

Brussels sprouts, boiled+10 mg

Taro leaves, steamed+5 mg

Tomatoes, standard, grilled, flesh and seeds onlythis page

Ackee, canned, drained0 mg

Peas, frozen, raw−8 mg

Rocket, raw−10 mg

All values per 100 g, from the same dataset. Differences are against tomatoes.

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Questions about tomatoes

What the numbers say to the questions people actually search.

How many calories are in a portion of tomatoes?

A typical portion (80 g, one of your five a day) gives 14 kcal. Per 100 g the figure is 17 kcal.

Is tomatoes high in vitamin C?

Yes. Tomatoes, standard, grilled, flesh and seeds only have 30 mg vitamin C per 100 g, 38 % of the NRV, above the 30 % threshold for a “high in” claim.

Which vitamins and minerals do tomatoes have most of?

By share of the daily reference intake: vitamin C (30 mg, 38 %), vitamin K (0.0125 mg, 17 %) and chloride (93 mg, 12 %) per 100 g.

Are tomatoes a good source of protein?

Tomatoes, standard, grilled, flesh and seeds only have 0.6 g protein per 100 g, 13 % of the energy, which meets the UK threshold for “source of protein”.

How these numbers were made

Every figure comes from the UK Composition of Foods Integrated Dataset (CoFID), 2021 edition, record 13-518, Tomatoes, standard, grilled, flesh and seeds only, published by Public Health England under the Open Government Licence v3.0. Main data references: DH, Nutrient analysis of fruit and vegetables, 2013. Values are per 100 g of the edible part; a portion is 80 g, one of your five a day, the usual UK portion for vegetables. Edible proportion: 90 % of the weight as bought is eaten. Reference intakes follow Regulation (EU) 1169/2011 Annex XIII as retained in GB law; “source of”, “high in” and “low” follow Regulation (EC) 1924/2006, assessed per 100 g. Function lines are the authorised wording from the GB register of nutrition and health claims, credited to the nutrient. Energy is rounded to the whole kcal and kJ; other amounts to one decimal, or two below 1. A trace is shown as “trace” and never gets a figure or a badge; a nutrient never analysed is left off the page. We start from the dataset’s 2,887 records and keep 2,322: records weighed with bone, shell or skin, alcoholic drinks, infant foods, brand-named products, records with fewer than eight measured vitamins and minerals and near-identical variants are left out. Group context uses the 240 vegetables kept from the dataset; a rank counts only the foods with a measured figure for that nutrient. Food images are illustrations from Ingredient Atlas, released under CC0; they show the food, not the measured sample, and where no illustration of the exact food exists the nearest one is shown (here: Tomato). Checked 5 October 2026. Contains public sector information licensed under the Open Government Licence v3.0.