Cup (US)
The US cup is a customary volume unit equal to 8 fluid ounces or about 236.588 milliliters. Originating from practical kitchen measures, it has become a standard in American recipes, baking, and beverage portions. The cup facilitates straightforward scaling in recipes and is widely recognized in cookbooks, culinary schools, and food packaging.
Teaspoon (Metric)
The metric teaspoon equals 5 milliliters, standardized to simplify cooking and medical measurements in countries that use the metric system. Unlike the US teaspoon, the metric teaspoon is slightly larger (5 mL vs ~4.92892 mL) and is widely used in recipes, pharmaceutical dosing, and nutrition labeling. Its simplicity ensures consistency across recipes and instructions internationally.