Sugar is found in a variety of foods, some of which you may not have even considered. Found in everything from breakfast cereal to bread, refined sugar can add a lot of calories and carbohydrates into your diet if you aren't careful.
Refined, granulated sugar contains 16 calories per teaspoon.
Refined sugar is composed entirely of carbohydrates. One teaspoon, or 4.2 grams of sugar, contains 4.2 grams of carbohydrates.
Brown sugar is slightly more diet-friendly than white sugar. At 11 calories per teaspoon, brown sugar contains 2.9 grams of carbohydrates.