how many net carbs in tsp of sugar
How Many Calories & Carbohydrates Are There in Sugar? Refined sugar is composed entirely of carbohydrates. One teaspoon, or 4.2 grams of sugar, contains 4.2 grams of carbohydrates. Brown Sugar. Brown sugar is slightly more diet-friendly than white sugar. At 11 calories per teaspoon, brown sugar contains 2.9 grams of carbohydrates.