The dimensions of a shipping container are based on standards that ensure there are no issues during shipping. ISO sets the standard for shipping container dimensions.

• General-purpose containers are 8.5 feet (2.59m) high and 8 feet (2.43m) wide. They come in two lengths; 20 feet (6.06m) and 40 feet (12.2m).
  • A 40ft high-cube shipping container or extra tall shipping containers are available at 9.5 feet (2.89m).
• 10 feet (2.99m) and 8 feet (2.43m) ISO containers are also available.