One packet contains the sweetness of two teaspoons of sugar. Sweetener to Sugar Conversion Chart: Zero Calorie Sweetener: 1 packet; Sugar: 2 teaspoons. Zero Calorie Sweetener: 1-1/2 packets; Sugar: 1 tablespoon. Zero Calorie Sweetener: 6 packets; Sugar: 1/4 cup. Zero Calorie Sweetener: 8 packets; Sugar: 1/3 cup. Zero Calorie Sweetener: 12 packets; Sugar: 1/2 cup. Zero Calorie Sweetener: 16 packets; Sugar: 2/3 cup. Zero Calorie Sweetener: 18 packets; Sugar: 3/4 cup. Zero Calorie Sweetener: 24 packets; Sugar: 1 cup. Sweetener may not provide the same bulk in baking as sugar. When used in this manner, adjustments may be needed. Use the chart above as a starting point in determining how to use sweetener in place of sugar.