Ocean Container Dimensions: List Of Sizes & Types

Ocean container dimensions are essential for efficient global shipping, ensuring that goods are transported safely and cost-effectively. Understanding container sizes, like 20-foot and 40-foot options, helps businesses optimize space and streamline logistics.

Knowing the internal and external measurements of containers allows businesses to plan shipments more effectively, reducing potential issues during transit. Proper container selection ensures smooth loading and unloading.

For U.S. import and export compliance, Artemus: ISF, AMS, & AES solutions are key. These tools help businesses stay compliant with regulations, avoiding delays and penalties while ensuring efficient shipping.

Ocean Container Dimensions Explained: Feet, Inches, & Meters

When shipping goods across the globe, it’s essential to understand the dimensions of ocean containers. This knowledge ensures that cargo fits properly and avoids shipping delays or extra costs.

1. Standard Ocean Container Sizes

Ocean containers are standardized for global shipping, and the most common sizes are:

20-Foot Container:

Outside: 20 ft (6.058 m) long, 8 ft (2.438 m) wide, 8.5 ft (2.591 m) tall.

Inside: Slightly smaller, with a capacity of around 33 cubic meters.

Use: Small to medium cargo.

40-Foot Container:

Outside: 40 ft (12.192 m) long, 8 ft (2.438 m) wide, 8.5 ft (2.591 m) tall.

Inside: Holds around 67 cubic meters of cargo.

Use: Larger shipments or high-volume goods.

2. High Cube Containers

These containers are taller, ideal for larger or taller items.

40-Foot High Cube: 

Adds an extra foot of height, giving about 76 cubic meters of space.

45-Foot High Cube: 

Longer and taller, offering over 85 cubic meters.

3. Metric VS. Imperial Measurements

Feet and Inches (used in the US) and Meters (used globally) are both common in shipping.

Conversion Basics:

1 foot = 0.3048 meters.

1 inch = 0.0254 meters.

1 cubic meter = 35.315 cubic feet.

4. Specialized Containers

Some containers have special designs for unique cargo:

1. Open-Top: For extra-tall items.
2. Flat Rack: For oversized or irregularly shaped cargo.
3. Refrigerated (Reefers): For goods that need temperature control.

5. Choosing The Right Container

1. Small Cargo: Use a 20-foot container.
2. Large Shipments: Use a 40-foot or high cube container.
3. Special Needs: Choose specialized containers like reefers or flat racks.

Understanding these container sizes and their measurements helps make the shipping process smoother and more efficient. Choosing the right container ensures that your goods are transported safely and within budget.

Related: Full Container Load Meaning (FCL) & Key Considerations

Types Of Ocean Containers 

When shipping goods via ocean freight, different types of containers are used depending on the cargo’s needs. Knowing the right container type ensures that your goods are transported safely and efficiently.

1. Standard Containers

These are the most common type of ocean containers used for general cargo.

• 20-Foot Container: Ideal for smaller shipments, with a capacity of about 33 cubic meters.
• 40-Foot Container: Offers double the length of a 20-foot container, with a capacity of around 67 cubic meters.
• High Cube Containers: A taller version of the 40-foot container, offering extra vertical space.

2. Refrigerated Containers (Reefers)

Reefers are insulated containers with a built-in refrigeration system, designed for temperature-sensitive cargo like food, pharmaceuticals, and chemicals.

• Temperature Control: Capable of maintaining specific temperatures from -20°C to +30°C.
• Capacity: Similar to standard containers but with reduced internal space due to insulation.

3. Open-Top Containers

Open-top containers have no roof, making them ideal for tall cargo that doesn’t fit into standard containers.

• Design: Open-top design with removable tarps or covers for easy loading and unloading.
• Use: Best for machinery, equipment, or goods with unusual dimensions.

4. Flat Rack Containers

Flat racks are used for transporting oversized or irregularly shaped cargo that can’t fit into standard containers.

• Design: These containers have no walls or roof, offering a flat surface for heavy or large items.
• Use: Ideal for construction materials, vehicles, and machinery.

5. Tank Containers

Tank containers are designed to carry liquids or gases, ensuring safe transportation of hazardous or non-hazardous materials.

• Design: Cylindrical tanks mounted within a standard container frame.
• Capacity: Typically ranges from 14,000 to 26,000 liters, depending on the size and type of liquid being transported.

6. High-Cube Containers

These are similar to standard containers but are taller, offering additional storage space.

• Design: 9.5 feet (2.896 meters) tall, compared to the standard 8.5 feet (2.591 meters).
• Use: Perfect for shipping goods that need extra height, such as furniture or large machinery.

Choosing the right container depends on the type of cargo being shipped. Whether it’s temperature-sensitive items, oversized goods, or hazardous materials, understanding the different container types ensures safe and efficient shipping.

Related: Less Than Container Load (LCL) Shipping: 2024 Guide

How Weight & Volume Capacities Impact Shipping?

When shipping goods, understanding the impact of weight and volume capacities is crucial for ensuring efficiency and cost-effectiveness. These two factors determine how much cargo can fit into a container and directly influence shipping costs, routes, and delivery times.

1. The Role Of Weight In Shipping

Weight is one of the most important factors in determining shipping costs and container usage.

• Weight Limits: Ocean containers have specific weight limits, which vary by container type. For example, a standard 20-foot container typically has a maximum weight limit of 22,000 kg (48,500 lbs).
• Impact On Cost: Heavier shipments often result in higher shipping costs because they may require additional handling or specialized containers, such as reefers or flat racks.
• Weight Distribution: Proper weight distribution within a container ensures that the cargo is stable and reduces the risk of damage or accidents during transit.

2. The Importance Of Volume In Shipping

Volume, or the amount of space a shipment occupies, is just as critical as weight in shipping logistics.

• Volume Calculation: Shipping volume is typically calculated in cubic meters or cubic feet. For instance, a 40-foot container holds about 67 cubic meters (2,368 cubic feet) of cargo.
• Impact On Cost: The volume of cargo affects how many goods can fit into a container, which in turn influences the shipping cost. Larger volumes may require more containers or specialized equipment.
• Space Utilization: Maximizing the space inside a container by properly arranging cargo can reduce shipping costs and increase efficiency.

3. Balancing Weight And Volume For Efficient Shipping

In many cases, both weight and volume play a role in determining the best shipping method.

• Dimensional Weight: In some cases, shipping costs are based on dimensional weight, which is a calculation that factors in both the weight and the volume of cargo. This is especially relevant for air freight, where both weight and size can affect the cost.
• Cargo Type: Lighter, bulky goods take up more space, while heavier, denser goods take up less space. Understanding the relationship between weight and volume helps shippers choose the most cost-effective container.

4. Choosing The Right Container Based On Weight And Volume

Selecting the right container involves assessing both the weight and volume of the cargo.

• Standard Containers: Best for goods that are both within weight and volume limits.
• High-Cube Containers: Ideal for bulky but lightweight goods that require extra height.
• Reefers Or Specialized Containers: Necessary for heavy or temperature-sensitive cargo.

5. Impact On Shipping Routes And Delivery Times

Both weight and volume can also impact the choice of shipping routes and the time it takes to reach the destination.

• Weight Restrictions: Some routes have weight restrictions that could limit the amount of cargo a container can carry.
• Volume Limitations: Similarly, larger volumes may require multiple containers, which can affect the overall delivery time and cost.

Understanding the relationship between weight and volume helps businesses plan more efficiently and avoid unnecessary shipping costs. By optimizing container usage, shippers can ensure that cargo arrives safely, on time, and within budget.

Related: 10 Supply Chain Best Practices In Shipping: A 2025 Guide

Factors To Consider When Choosing The Right Container

Choosing the right container for shipping is essential for ensuring that goods are transported safely, efficiently, and cost-effectively. The decision depends on several factors, including the nature of the cargo, container dimensions, and specific shipping needs.

1. Cargo Type And Characteristics

The type of goods being shipped significantly influences the choice of container.

• Perishable Goods: Items like food, pharmaceuticals, and chemicals may require refrigerated containers (reefers) to maintain the right temperature during transit.
• Heavy Or Oversized Cargo: For heavy or unusually shaped goods, flat rack or open-top containers might be necessary. These containers are designed to accommodate large or bulky items.
• Fragile Items: Goods that are easily damaged may require additional care, such as the use of specialized containers or extra cushioning within the container.

2. Container Size And Dimensions

The size of the container plays a critical role in determining how much cargo can be shipped and how efficiently the container is packed.

• Standard Containers: The most common sizes are 20-foot and 40-foot containers. A 20-foot container is suitable for smaller shipments, while a 40-foot container offers more space for larger volumes.
• High Cube Containers: These are taller versions of the standard containers, providing extra space for taller cargo or goods that require more height.
• Specialized Containers: Containers like reefers or flat racks may have different dimensions to suit specific needs. For example, reefers have extra insulation, while flat racks have no walls for oversized items.

3. Weight And Volume Of Cargo

The weight and volume of the cargo will determine the type of container and the shipping cost.

• Weight Limits: Each container has a maximum weight limit. For example, a 20-foot container typically has a weight limit of around 22,000 kg. Exceeding this limit may require special handling or multiple containers.
• Volume Considerations: The cargo’s volume affects how much can fit in a container. It’s important to assess the total volume of the goods to ensure the container can accommodate the shipment without being underfilled or overloaded.

4. Transit Time And Shipping Route

The shipping route and delivery time are influenced by the type of container and its contents.

• Urgency Of Delivery: If the goods need to arrive quickly, choosing a container that allows for faster loading and unloading might be beneficial. For example, using open-top or flat rack containers can make loading bulky goods easier and faster.
• Destination Port: Some ports may have specific requirements or limitations on the types of containers they can handle, so it’s important to ensure that the chosen container type is compatible with the destination.

5. Budget And Shipping Costs

The cost of shipping is influenced by the container type and size, as well as the nature of the cargo.

• Container Size: Larger containers or specialized containers like reefers can be more expensive to ship, so it’s important to choose a container that suits the cargo’s requirements without exceeding the necessary size.
• Handling And Additional Costs: Some containers, such as reefers, may require extra handling or maintenance, adding to the overall shipping cost.

6. Environmental Considerations

Sustainability is becoming increasingly important in shipping.

• Eco-Friendly Containers: Many shipping companies are offering more environmentally friendly options, such as containers made from recyclable materials or those with energy-efficient refrigeration systems.
• Carbon Footprint: The size and type of container used can affect the overall carbon footprint of the shipment, so considering the environmental impact may influence the choice of container.

Choosing the right container is a crucial part of the shipping process. By considering factors such as cargo type, size, weight, transit time, and budget, you can ensure that goods are shipped in the most efficient and cost-effective manner.

Related: Top 10 Ports In The USA: The Busiest Hubs Driving US Trade

Global Standards & Regulations For Container Dimensions

Understanding global standards and regulations for container dimensions is crucial for international shipping. 

These standards ensure that containers are compatible with various shipping methods, ports, and transport modes worldwide, promoting efficiency and safety in the global supply chain.

1. International Organization For Standardization (ISO) Standards

The International Organization For Standardization (ISO) plays a key role in setting the standards for container dimensions.

• ISO 668: This standard specifies the dimensions of containers used for international transport, ensuring compatibility across shipping lines and transport modes.
• ISO 6346: Defines the system for container identification, including container number, size, and type, to ensure easy tracking and management during transit.
• ISO 1161: Sets the standards for the corner fittings of containers, allowing for secure loading and unloading.

2. Standard Container Sizes

ISO regulations define standard container sizes, which help in uniformity across global shipping operations.

• 20-Foot Containers: Typically 6.058 meters long, 2.438 meters wide, and 2.591 meters tall.
• 40-Foot Containers: Typically 12.192 meters long, 2.438 meters wide, and 2.591 meters tall.
• High Cube Containers: These containers are 9.5 feet (2.896 meters) tall, offering additional space for taller goods.
  These standardized dimensions ensure that containers can be used interchangeably across various shipping companies and countries.

3. Weight And Capacity Regulations

ISO standards also define the weight and capacity limits for containers to ensure safe and efficient transportation.

• Maximum Gross Weight: This is the total weight of the container, including the cargo, and typically ranges from 24,000 kg to 30,000 kg depending on the container size.
• Tare Weight: The empty weight of the container, which varies by type but generally ranges from 2,200 kg to 4,000 kg.
• Payload Capacity: The amount of weight a container can carry, which is the difference between the maximum gross weight and tare weight.

4. Compliance With International Shipping Laws

Shipping containers must comply with regulations from various international organizations to ensure safety, security, and efficiency.

• International Maritime Organization (IMO): The IMO establishes safety standards for shipping containers, including the International Convention For Safe Containers (CSC), which sets regulations for container strength, safety, and inspection.
• Customs And Border Control Regulations: Each country has specific regulations regarding the dimensions, labeling, and safety standards of containers, which must be adhered to for customs clearance and smooth transit.

5. Regional And Local Regulations

While global standards are essential, certain regions and countries may have additional requirements for container dimensions.

• European Union: The EU has specific regulations for container weights, particularly concerning road transport, which may limit the maximum allowable weight for containers in transit.
• United States: The U.S. also has specific regulations regarding container weights for domestic transport, particularly for containers moved by truck.
• Australia: Australia’s regulations include requirements for container weight verification, ensuring that containers do not exceed weight limits when loaded onto ships.

6. Technological Advances And Future Regulations

The future of container dimensions and standards is likely to be influenced by technological advancements and environmental concerns.

• Smart Containers: The use of sensors and GPS tracking in containers allows for better management and monitoring during transit, helping to ensure compliance with regulations.
• Sustainability: As environmental concerns grow, there may be increasing regulations on container design and materials to reduce carbon footprints and enhance recycling capabilities.

Global standards and regulations for container dimensions ensure uniformity, safety, and efficiency in international shipping. By adhering to these regulations, companies can ensure that their goods are transported smoothly, minimizing delays and ensuring compliance with international trade laws.

Related: How To Export Medicine From The USA? A 2025 Guide

Artemus: ISF, AMS, & AES Solution For USA Import & Export Compliance

Artemus simplifies U.S. import and export compliance by automating key filings like ISF, AMS, and AES. These filings are crucial for ensuring that shipments meet U.S. Customs and Border Protection (CBP) and Census Bureau requirements, reducing the risk of fines and delays.

The Importer Security Filing (ISF) ensures that importers submit essential cargo information to CBP before goods are loaded onto a vessel. Artemus automates this process to ensure timely and accurate reporting, while Automated Manifest System (AMS) filings help with pre-arrival cargo data for better risk assessment.

For exports, Artemus also automates Automated Export System (AES) filings, ensuring that all outbound shipments meet U.S. Census Bureau requirements. This comprehensive solution reduces administrative workload and enhances compliance with U.S. trade regulations.

FAQS

1. What Are The Dimensions Of An Ocean Container?

Ocean containers typically have standard sizes, with the most common being 20 feet and 40 feet. A 20ft container usually measures 6.1m x 2.44m x 2.59m (L x W x H), while a 40ft container measures 12.2m x 2.44m x 2.59m.

2. What Is The Size Of A 40ft Sea Container?

A 40ft sea container generally measures 12.2 meters in length, 2.44 meters in width, and 2.59 meters in height, with a total internal volume of approximately 67 cubic meters.

3. What Are The 4 Types Of Ocean Containers?

The four common types of ocean containers are:

• Standard Containers (Dry Containers)
• Refrigerated Containers (Reefers)
• Open-Top Containers
• Flat-Rack Containers

4. What Are The Dimensions Of A Sea Can Container?

A typical sea can container (usually a 20ft container) has dimensions of approximately 6.1m x 2.44m x 2.59m (L x W x H), while a 40ft container has dimensions of 12.2m x 2.44m x 2.59m.

5. What Is The Size Of A 20FT Sea Container?

A 20ft sea container typically measures 6.1m in length, 2.44m in width, and 2.59m in height, with an internal volume of around 33 cubic meters.

6. What Is The Largest Ocean Container?

The largest ocean containers are typically 45ft containers, which are slightly longer than the standard 40ft container. Some newer shipping containers can also go up to 53ft in length, mainly used in the U.S.

7. What Is The Price Of A 40 Feet Container?

The price of a 40ft container can vary significantly depending on factors such as condition (new or used), location, and market conditions, but it generally ranges between $2,000 and $5,000.

8. How Many 40 Containers Fit On A Ship?

The number of 40ft containers that can fit on a ship depends on the ship’s size. Large container ships can carry around 10,000 to 20,000 containers, with many of them being 40ft containers.

9. How Many Litres Are In A 40ft Container?

A 40ft container typically has an internal volume of about 67 cubic meters, which equals approximately 67,000 liters.

10. What Size Are Maersk Shipping Containers?

Maersk uses standard shipping container sizes, primarily 20ft and 40ft containers, with dimensions similar to the typical ones: 20ft (6.1m x 2.44m x 2.59m) and 40ft (12.2m x 2.44m x 2.59m).

11. How To Know Container Size?

Container sizes are typically labeled on the side of the container, indicating its length, width, and height. Standard sizes include 20ft, 40ft, and 40ft high-cube containers.

12. Why Is It Called A Sea Container?

It is called a sea container because it is designed for the transportation of goods across seas and oceans, being sturdy and weatherproof for maritime shipping.

Conclusion

In conclusion, knowing ocean container dimensions is crucial for effective shipping. Standardized sizes like 20-foot and 40-foot containers help businesses plan shipments efficiently and avoid space-related issues.

By understanding the internal and external measurements, companies can optimize cargo space and reduce costs. High cube containers offer additional space for specific types of goods.

Ultimately, selecting the right container ensures smooth logistics and cost-effective transportation. Proper planning leads to better efficiency and reliability in shipping.

Related: Export Documentation Requirements To Export From The USA