UK fluid ounces
UK fluid ounces are used in the United Kingdom for measuring liquids. One UK fluid ounce is about 28.41 milliliters. It is important to note that UK fluid ounces differ slightly from US fluid ounces, with one UK fluid ounce being equal to 1.04 US fluid ounces.
Quarts
There is more than one kind of quart:
One US liquid quart is 946ml: US liquid quart
One UK quart is 1.14L: UK quart