US Quart (qt)
The US quart, symbol qt, equals 1/4 of a US gallon, or about 0.946 liters. Originating from English quart measurements, it was standardized in the US system in the 19th century. Quart is frequently used in American cooking, grocery packaging, and automotive fluids. While less common internationally due to the adoption of the metric system, the quart remains an important household and commercial measure in the United States.
US Pint (pt)
The US pint, symbolized as pt, is equal to 1/8 of a US gallon, or approximately 473 milliliters. Derived from British units, it became standardized in the US after independence. Pints are commonly used for beverages like beer and milk in the United States. Unlike the British imperial pint (568 mL), the US pint is smaller, creating distinctions in international trade and cultural habits. Despite metrication globally, the pint remains a familiar and enduring unit of measurement in everyday American life.