Cubic inches
Cubic inches are units of volume measurement used in the Imperial systems equal to the volume of a cube with sides that are each one inch in length. It is used in the United States for measuring small volumes, such as the displacement of an engine or the capacity of a container. One cubic inch is equivalent to approximately 16.387 cubic centimeters.
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.