How big is the volume of a container semi-trailer?

Container semi-trailers come in a variety of sizes, and the volumes of semi-trailers of different sizes are also different:
1. 20-foot container semi-trailer: Its volume is the volume of a 20-foot container, generally about 26 cubic meters.
2. 40-foot container semi-trailer: Its volume is generally 54 cubic meters, and the volume of a 40-foot high cabinet is 67-68 cubic meters.
3. 45-foot container semi-trailer: Its volume is about 75-86 cubic meters.
4. 48-foot container semi-trailer: Its volume varies according to the height of the container and the thickness of the container wall, generally more than 80 cubic meters.
5. 53-foot container semi-trailer: The volume of a 53-foot container is more than 90 cubic meters.