Step 1 Measure the amount of sugar you are adding to your food or beverage to determine the total number of teaspoons For reference one tablespoon equals 3 teaspoons and 1/8 cup is 6 teaspoons One cube of sugar is about 1/2 teaspoon and a single sugar packet is about 2/3 teaspoon AdvertisementWell, the number of calories in a tsp of sugar mixed in pure water will always have 16 calories However, when sugar is dissolved in liquids that already have added sugars, the total calorie count would obviously account for more than just sixteenCalories per Ingredient Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe Calories per serving of 1 Gallon Sweet Tea w/2 cups sugar 99 calories of Granulated Sugar, (013 cup)
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