A tablespoon is a unit of volume in the US customary system and the imperial system, used in both cooking and medicine. It is equivalent to three teaspoons. It is commonly abbreviated as tbsp. A teaspoon is also a unit of volume in the US customary system and the imperial system, used in both cooking and medicine. It is equivalent to 1/3 of a tablespoon, or 4.93 milliliters. It is commonly abbreviated as tsp.
Tablespoons and teaspoons are both commonly used in recipes, although tablespoons are more commonly used for larger quantities, and teaspoons are more commonly used for smaller quantities. For example, a recipe might call for 1 tablespoon of salt, or 1 teaspoon of baking powder.
