A teaspoon is a unit of volume in the US customary system and the imperial system. It is equal to 1/3 of a tablespoon, 1/6 of a fluid ounce, and 4.93 milliliters. A 3/4 teaspoon is a common measurement in recipes, and it can be made using a variety of methods.
One way to make a 3/4 teaspoon is to use a measuring spoon. Measuring spoons are available in a variety of sizes, and they can be found at most grocery stores. To use a measuring spoon, simply fill the spoon to the 3/4 teaspoon mark and level it off with a knife or your finger.