US fluid ounces
A US fluid ounces (sometimes referred to simply as an ounce) is a unit of volume used in the United States to measure liquids. One US fluid ounce is about 0.0296 liters.
UK pints
UK pints are volume units used in the United Kingdom for measuring liquids such as beer and milk. One UK pint is about 0.568 liters.
While the use of pints in the UK is less common than it once was it remains a popular unit of measurement in the UK, particularly in pubs and grocery stores.