How many quarts are in 1 gallon?

A gallon is a standard unit of volume in the United States customary system and is equivalent to 4 quarts. This relationship is essential for conversions between different units of volume, particularly in pharmacy, where accurate measurements are critical for dosing and compounding medications. Therefore, when converting gallons to quarts, knowing that 1 gallon equals 4 quarts allows for seamless conversions in practical applications. This foundational understanding of volume measurement helps pharmacy technicians work accurately with various liquid formulations and ensures compliance with dosing guidelines.