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What Are the Dimensions of a 40ft Shipping Container?

A standard 40ft shipping container is built to international ISO specifications, meaning its dimensions are consistent worldwide. These standardized measurements allow the container to be transported safely by ship, rail, and truck.

Answer reviewed November 2, 2026

External Dimensions (Outside Measurements)

  • Length: 40 feet (12.19 meters)
  • Width: 8 feet (2.44 meters)
  • Height: 8 feet 6 inches (2.59 meters)

These external dimensions are important for delivery access, placement planning, and transportation.

Internal Dimensions (Usable Space)

  • Length: approximately 39 feet 5 inches (12.01 meters)
  • Width: approximately 7 feet 8 inches (2.35 meters)
  • Height: approximately 7 feet 10 inches (2.39 meters)

Interior dimensions are slightly smaller due to the thickness of the steel walls, doors, and flooring.

Door Opening Dimensions

  • Width: approximately 7 feet 8 inches (2.34 meters)
  • Height: approximately 7 feet 5 inches (2.28 meters)

Door clearance is a key consideration when loading pallets, machinery, or oversized equipment.

Weight and Capacity

  • Tare Weight (Empty): ~8,380 lbs (3,800 kg)
  • Maximum Payload: ~59,000 lbs (26,700 kg)
  • Maximum Gross Weight: ~67,200 lbs (30,480 kg)

Total Interior Volume

A standard 40ft shipping container offers approximately 2,390 cubic feet of usable interior space, making it ideal for large storage needs, shipping freight, or container conversion projects.

Why These Dimensions Matter

Understanding the dimensions of a 40ft container helps ensure proper site access, efficient loading, and compatibility with your intended use-whether for storage, transportation, or modification.

Bottom Line

A standard 40ft shipping container measures 40 ft long x 8 ft wide x 8 ft 6 in high externally, with slightly reduced interior dimensions due to construction materials.

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