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.
US cups
A US cup is a common unit of measurement in the United States for cooking and baking. One US cup is about 0.236588 liters and is often used to measure ingredients in recipes.