US Chart of Measures - The 128 oz gallon exists ONLY in the United States. The rest of the world uses the Imperial system with a 40 oz quart. That is, those who haven't graduated to the less complicated metric system. Imperial - Gallon is 160 ounces (4.54 Liters); a Quart is 40 ounces (1.25 Liters); a pint is 2 1/2 cups (20 ounces or 512 ml)
Standard Measures and Conversions: Liquid Volume, Milliliters and Liters- In this Cyberchase Media Gallery, explore key concepts about liquid volume, including standard units of liquid measure and how to convert between them. In the accompanying classroom activity, students create a complete conversion chart from the smallest measure (a fluid ounce) to our largest measure (a gallon).