The conversion from teaspoon per second to cup per second is a unit conversion used to express the rate of liquid flow or pouring speed in cooking, chemistry, and other fields. A teaspoon is a unit of volume in the imperial system, equivalent to 5 milliliters (mL) or 0.175 ounces (oz), while a cup is a larger unit of volume, equivalent to 236.6 mL or 8.345 oz. The conversion factor is approximately 1 cup per 48 teaspoons, making it a useful tool for measuring and scaling recipes, as well as for scientific applications such as fluid dynamics and chemical reactions.