Quart (US)

Definition

The quart (US) is a unit of volume equal to one-fourth of a gallon. It is a customary unit primarily used in the United States, defined as exactly 0.946353 liters.

History

The quart has origins in the Old French term "quart," meaning a quarter. It was standardized in the U.S. during the 19th century as part of the Metric Conversion Act of 1975, which aimed to harmonize measurement systems.

Uses

Quarts are commonly used in cooking and food packaging, especially in the U.S. It is prevalent in recipes, particularly for liquid ingredients like milk and oil. Additionally, it is used in automotive and industrial applications for measuring fluids.

Conversions

• 1 quart (US) = 0.946353 liters
• 1 quart (US) = 32 fluid ounces
• 1 quart (US) = 4 cups

Fun Facts

• A common misconception is that a quart is the same in all countries; however, the UK quart is larger (approximately * *1.136 liters**).
• The quart is often used in the U.S. for both liquid and dry measurements, though dry volumes may vary based on material density.