Question: 1 tsp splenda equals how much sugar?
Answer: At 2.1-grams per teaspoon, that comes to 6.3 cups of sugar equivalent sweetness per teaspoon of sucralose, or about 0.79 cups of sugar per 1/8 tsp of sucralose. If the density is 2.9-grams per teaspoon, it comes to 1.09 cups of sugar per 1/8 tsp of sucralose.