A standard 40-foot-long shipping container can hold about 55 to 58 cubic metres (CBM) of stuff. About 70 CBM is how much space there is in total.
Shipping containers are a cheap and efficient way to get goods from one place to another by sea, land, or air. They come in a number of standard sizes, but the 40-foot length is one of the most common. Standard shipping containers are about 8 feet wide and 8 feet tall, but the exact sizes vary a little and also depend on the type of container. To figure out how big the shipping container is, you just have to multiply its length by its height and width. So, a 40-foot container is 40 feet long, 8 feet wide, and 8 feet tall, which equals 2,560 cubic feet. One cubic foot is about 0.028 cubic metres, so the volume of a 40-foot container is about 72 cubic metres, or 2,560 x 0.028. (CBM). The loadable volume is a little less than the total volume so that the container can be loaded and unloaded.