UK quarts
A UK quart is a unit of volume in the United Kingdom. One UK quart is a quarter of a UK gallon at about 1.13652 liters.
UK fluid ounces
A UK fluid ounce is about 28.41 milliliters, a little smaller than the US fluid ounce of about 29.57 milliliters. So 1 US fluid ounce is about 1.04 UK fluid ounces.