Fluid Ounce (US) (fl oz)
The US fluid ounce, symbol fl oz, measures approximately 29.5735 milliliters. Its origins trace back to the British Imperial fluid ounce but were standardized differently in the United States. It is used for liquids in cooking, beverages, and nutrition. Fluid ounces bridge smaller units, such as teaspoons and tablespoons, with larger units, including cups, pints, and gallons, providing flexibility and precision in culinary measurements.
Teaspoon (US) (tsp)
The US teaspoon is a customary cooking unit equal to approximately 4.92892 milliliters. Its origin comes from traditional household spoons used for measuring spices and small quantities of liquid. The teaspoon has become a standard unit in American recipes, baking, and mixology, allowing for repeatable and accurate measurements. While small, it plays a critical role in precise culinary measurements and is often paired with tablespoons, cups, and other US volume units in recipes.