Tablespoons
There is more than one type of tablspoon:
One US tablespoon is equivalent to approximately 14.8ml: US tablespoon
One UK tablespoon is equivalent to approximately 15ml: UK tablespoon
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.