Cubage is a term used to describe the volume or capacity of an object or container. Synonyms for cubage include volume, capacity, size, mass, measurement, extent, space, bulk, and measurement. These terms can be used interchangeably depending on the context of the situation. Volume is commonly used in scientific or mathematic contexts, while capacity is more frequently used in everyday conversation. Size, mass, extent, and space are also frequently used alternatives to cubage, especially when describing the dimensions of an object or area. Regardless of which synonym is used, the concept of cubage remains the same: the amount of space an object or container can hold.