Teaspoons In A Half Cup. 1 us teaspoon ( tsp) = 0.02083333333 us cup ( c) = 4.92892159 milliliters ( ml) = 1/3 us tablespoons (tbsp) = 1/6 us fluid ounce (fl. 3 teaspoons = 1 tablespoon.

2 ¼ teaspoons = ¾ tablespoon. Just have to decide on much lemon flavor you want in your recipe as to which number you pick. 1 tablespoon = 1 / 16 cup;