That depends on the amount and the type. For the calories in tomatoes of various types, by weight and by size, and the calories in cucumber by weight and by size, see the page links, further down this page, listed under Related Questions.
400 calories
20 calories.
Tomatoes do not burn calories.
About 20 calories are in a half-cup of tomatoes.
NO!
About 60 calories or so.
80 calories
50
There are roughly 17.5 calories in 3.5-oz. of tomatoes.
3
You probably wont die. Foods like Cucumbers and tomatoes have a very low calorie content so you can consume those and that's a 100 calories a day.
Calories in 1 pound of tomatoesThere are:Approx 5 calories in each 1 oz or 28g of tomatoApprox 80 calories in 1 pound of tomatoes.