For a small tomato, somewhere between 19 and 26 calories. (19 if the tomato is about 90g, 26 if it's about 120g). To learn about the lower calorie content in grape or cherry tomatoes, see the page link, further down this page, listed under Related Questions.
35
365 calories
500g
30 calories.
30 calories.
15 calories.
i believe there are around 150 calories in a slice of tomato pie.
30 calories without the salt.
7301285 calories
180
75 calories.
There are around 20 calories per 100g of a tomato.
A potato is about 200 calories (baked potato, that is), and tomato sauce is about 80 calories per serving. So, in total, it is about 300 calories or so.