Why do pickles have no calories?

Pickles. “Pickles are touted as a ‘zero calorie’ food since they are just cucumbers in salt water,” says Whetzel.

Do pickles really not have calories?

Including pickles in your diet as a healthy snack can help you shed pounds, thanks to their low calorie count. A cup of dill pickles — regular or low sodium — has just 17 calories. Even if you’re following a very restricted diet of 1,200 calories per day, that’s less than 2 percent of your daily calorie allowance.