The complete guide to 20-foot shipping containers: dimensions, types, costs, and everything you need to know

22. 6. 2026

The 20-foot shipping container is the single most important unit in global logistics. It is the foundation of international trade, the building block of the modern supply chain, and the reason a pair of sneakers manufactured in Vietnam can land on a shelf in Chicago for roughly the same transportation cost as a dozen apples trucked across state lines. Despite its ubiquity — millions of these steel boxes crisscross the oceans at any given moment — the 20-foot container is also one of the most misunderstood pieces of industrial equipment on the planet. Most buyers know they need one but cannot tell you the difference between tare weight and payload, have never heard of a CSC plate, and are surprised to learn that a 20-footer is not simply half of a 40-footer in every meaningful way.

This guide exists to close that knowledge gap. It covers every dimension, every specification, every type, and every practical consideration in one place. Whether you are an importer calculating a shipment, a contractor ordering site storage, or a homeowner exploring a container conversion, the answers start here.

What is a 20-foot shipping container?

A 20-foot shipping container is a standardized, reusable steel box designed for the intermodal transport of cargo. The “20-foot” designation refers to its nominal external length — the exact external length is 20 feet (6.058 meters). It is also the base unit of the Twenty-Foot Equivalent Unit, or TEU, the universal measurement by which container ships, port throughput, and global trade volume are quantified.

The TEU is to shipping what the barrel is to oil: a single, agreed-upon unit that makes comparison possible across carriers, ports, and decades of data.

Technically, a 20-foot container is a dry freight container — also called a dry van or general purpose container — constructed from Corten steel (a weathering steel alloy), equipped with marine-grade plywood or bamboo flooring, double cargo doors at one end, corner castings for lifting and stacking, and forklift pockets along the bottom rails. It conforms to the ISO 668 standard, first published in 1968, which defines the external dimensions, corner fitting geometry, and structural requirements that make the container interchangeable across ships, trains, and trucks worldwide.

Why is the 20-foot container the industry standard?

The dominance of the 20-foot container is not an accident of engineering. It is the result of a deliberate standardization effort that followed the container revolution of the 1950s. Once the International Organization for Standardization settled on the 8-foot width and 8-foot-6-inch height, the 10-foot, 20-foot, 30-foot, and 40-foot lengths became the official modular family. The 20-foot and 40-foot lengths emerged as the most practical for the simple reason that they balanced cargo capacity against the constraints of road and rail networks in most industrialized countries.

The 20-footer, in particular, became the atomic unit of the system: easier to handle than a 40-footer, capable of carrying dense cargo (steel, machinery, bagged cement) that would exceed road weight limits in a larger box, and small enough to be delivered to residential properties on a tilt-bed truck where a 40-foot container simply cannot fit. It is also the only container that can be economically shared among multiple smaller shippers through Less-than-Container Load (LCL) consolidation at freight forwarder warehouses.

Where did the 20-foot shipping container come from?

The pre-container era: break-bulk shipping

Before the standardized container, shipping was a brutal, slow, and expensive affair. Goods arrived at the dock in barrels, crates, sacks, and bales — every item a different size, shape, and weight. Longshoremen manhandled each piece individually, hoisting cargo onto the ship with nets and slings, then stowing it in the hold wherever it would fit. Unloading a single medium-sized cargo ship typically required a crew of 20 men working for an entire week. Theft, damage, and pilferage were endemic. The cost of loading one ton of break-bulk cargo in a major US port was approximately $5.86 — equivalent to roughly $65 today.

This inefficiency made international trade slow and regional. Goods from Asia took weeks just to move through the port, not counting the actual ocean voyage. Ports were the bottleneck of the global economy.

The birth of the TEU and ISO 668

McLean’s early containers came in various lengths — 35 feet was his original choice, dictated by the maximum trailer length allowed on US highways at the time. But as containerization spread internationally through the 1960s, it became clear that a global standard was needed. Different shipping lines, railroads, and trucking companies were building incompatible boxes, and the full promise of intermodalism could not be realized without uniformity.

In 1968, after years of contentious negotiations between American and European interests, the International Organization for Standardization (ISO) published ISO 668, defining the Series 1 freight container. The standard established:

  • A uniform width of 8 feet (2,438 mm)
  • Standard heights of 8 feet 6 inches (2,591 mm) and 9 feet 6 inches (2,896 mm) for high cube
  • Modular lengths of 10, 20, 30, and 40 feet
  • The 20-foot container as the reference unit (TEU) for measuring capacity

The decision to anchor the system on the 20-foot length was a compromise that reflected European road regulations, which were more restrictive than American ones. But once locked in, the TEU became the universal metric of containerized trade. Today, global port throughput exceeds 850 million TEUs annually, and every one of those TEUs traces its lineage back to McLean’s aluminum boxes and the ISO committee rooms of the late 1960s.

What are the exact dimensions of a 20-foot shipping container?

The dimensions of a 20-foot container are defined by ISO 668, but there are minor variations between manufacturers, container age, and specific model lines. The figures below represent the standard 20-foot dry container (8’6″ height) used by all major shipping lines.

Complete Dimension Specifications

MeasurementImperialMetric
External Length20′ 0″6.058 m
External Width8′ 0″2.438 m
External Height8′ 6″2.591 m
Internal Length19′ 4″5.898 m
Internal Width7′ 8″2.352 m
Internal Height7′ 10″2.395 m
Door Opening Width7′ 8½”2.340 m
Door Opening Height7′ 5¾”2.280 m
Internal Floor Area150 sq ft13.9 m²
Internal Volume1,172 cu ft33.2 m³

The difference between external and internal length — roughly 8 inches — is consumed by the corrugated steel walls, the door assembly, and the front wall. The door opening height is approximately 4 inches shorter than the interior ceiling height because of the steel header beam that spans the top of the door frame. This is a critical detail if you are loading tall equipment with a forklift: measure against the door opening, not the interior ceiling.

Door opening and loading considerations

The double cargo doors at one end of the container swing open 270 degrees, secured against the container walls with latch hooks. The door seals are rubber compression gaskets designed to keep water out during ocean voyages. Unlike a 40-foot container, which is often loaded through the side with a reach stacker, a 20-footer is almost always loaded through the end doors. This means that every item placed inside must be reachable from the door opening — there is no “back door” to a 20-foot container.

The floor is constructed of 28 mm (1⅛-inch) marine-grade plywood or laminated bamboo, laid over steel cross-members. The floor is rated to support forklift axle loads of up to 5,460 kg (12,000 lbs), though local point loads should be checked against the specific container’s CSC rating.

How many pallets fit in a 20-foot container?

Pallet capacity depends on the pallet type and orientation:

Pallet TypeDimensionsQuantity in 20ftLoading Pattern
EUR Pallet1,200 × 800 mm (47.24″ × 31.50″)10–1110 sideways + 1 center; or 10 lengthwise
ISO Pallet1,200 × 1,000 mm (47.24″ × 39.37″)9–1010 if turned; 9 if straight
American GMA48″ × 40″ (1,219 × 1,016 mm)10Two rows of 5, turned sideways
Australian1,165 × 1,165 mm8Two rows of 4

Standard American GMA pallets (48″ × 40″) fit most efficiently when turned 90 degrees so the 40-inch side runs parallel to the container’s length. This allows two rows of five pallets each, totaling 10 pallets on the floor. EUR pallets fit 11 when loaded correctly with the 1,200 mm dimension running lengthwise. The key takeaway for shippers is that a 20-foot container holds roughly half the pallet count of a 40-footer (which fits 20–24), rather than precisely half the volume.

How much does a 20-foot shipping container weigh?

The weight of a 20-foot shipping container is defined by three critical numbers that every buyer, shipper, and site manager must understand.

Weight specifications

Weight SpecificationImperialMetric
Tare Weight (Empty)4,850–5,070 lbs2,200–2,300 kg
Maximum Payload55,127 lbs25,000 kg
Maximum Gross Weight67,200 lbs30,480 kg

The tare weight is what the container weighs when completely empty, with no cargo, no modifications, and no detritus inside. A standard 20-foot dry container tares between 2,200 kg and 2,300 kg. Older containers tend to be slightly heavier (more steel, more repairs), while newer “one-trip” containers cluster at the lighter end of the range.

The maximum payload is the weight of cargo the container is rated to carry. For a standard 20-footer, this is typically 25,000 kg (55,127 lbs). In practical terms, most 20-foot containers will “cube out” (fill their volume) long before they “weigh out” (reach the weight limit), unless you are shipping exceptionally dense cargo like steel coils or bagged cement.

The maximum gross weight is the sum of tare weight plus payload — the absolute maximum the loaded container can weigh. This is the number stamped on the CSC safety approval plate and is the figure that crane operators, truck scale inspectors, and ship planners care about most.

Why these numbers matter

On a practical level, the weight ratings determine whether a container can be legally transported on public roads. In the United States, the federal gross vehicle weight limit for a tractor-trailer combination on interstate highways is 80,000 lbs. A 20-foot container loaded to its maximum gross weight of 67,200 lbs, placed on a chassis that weighs approximately 8,000 lbs, and pulled by a tractor weighing around 17,000 lbs, brings the total combination to about 92,000 lbs — well over the legal limit. This means that in practice, a 20-foot container is rarely loaded to its maximum payload when transported by road in the US. That payload headroom is reserved for ocean and rail segments, where weight limits are higher. Road transport of a fully loaded 20-footer typically requires an overweight permit or, more commonly, shipping at less than maximum capacity.

What types of 20-foot shipping containers exist?

The standard dry container is the most common type, but the 20-foot footprint houses a diverse family of specialized containers built for cargo that will not fit into a sealed steel box.

Standard dry container (general purpose)

The workhorse. Fully enclosed Corten steel box with plywood floor, double rear doors, and ventilation louvers in the side walls. Used for dry, packaged cargo: cartons, pallets, machinery, furniture, bagged goods, and virtually everything else. This is what most people picture when they think of a shipping container.

High Cube container

A 20-foot high cube container is identical in length and width to the standard container but stands 9 feet 6 inches (2.896 m) tall externally — one full foot taller. Interior height increases to approximately 8 feet 10 inches (2.69 m), providing an additional 1.2 m³ of volume. High cubes are favored for cargo that is tall rather than heavy, and for container conversions where ceiling height matters for livability. They carry a price premium of roughly 15–25% over standard-height 20-footers.

Open Top container

An open top container has no solid roof. Instead, it has a removable tarpaulin cover stretched over a removable steel header beam. This design allows cargo to be loaded from above by crane — essential for tall machinery, large stone blocks, heavy structural steel, and any item that cannot be forklifted through the end doors. The top rail is reinforced to maintain structural integrity despite the missing roof. Water ingress is managed by the tarpaulin, which is lashed down with ropes and tensioners.

Flat Rack container

A flat rack is essentially a container floor with collapsible or fixed end walls and no sides or roof. It is designed for cargo that is oversized in width or height: heavy machinery, vehicles, boats, generators, construction equipment, and large industrial components. 20-foot flat rack containers can typically carry 27,000–31,000 kg, depending on the design. The end walls, when present, provide stacking capability and cargo restraint. Flat racks are the go-to solution for “out-of-gauge” cargo that cannot fit inside any enclosed container.

Refrigerated container (Reefer)

A reefer is a thermally insulated container equipped with an integrated refrigeration unit mounted on the front wall, powered by an external electrical connection (on ship or terminal) or a generator set (for road transport). A 20-foot reefer maintains temperatures ranging from -35°C to +30°C (-31°F to +86°F). Internal dimensions are slightly smaller than a dry container due to insulation thickness and the refrigeration unit: approximately 5.45 m internal length and a reduced volume of about 28 m³. Reefers are essential for perishable foods (fruits, vegetables, meat, dairy), pharmaceuticals, and temperature-sensitive chemicals.

Specialized 20-foot containers

  • Ventilated Containers: Similar to dry containers but with additional passive ventilation openings, used for cargo that generates moisture or heat — coffee beans, cocoa, onions.
  • Tank Containers: A cylindrical stainless-steel tank mounted within a 20-foot ISO frame, used for liquid cargo: chemicals, food-grade liquids, oils, and hazardous liquids. Capacity of 14,000 to 26,000 liters.
  • Side-Door Containers: Standard dry containers with full-length side doors in addition to (or instead of) end doors, used when rapid access to the entire container length is needed.
  • Insulated Containers: Passive thermal insulation without active refrigeration, used for temperature-stable transport of products like wine and certain pharmaceuticals.

20-Foot container type comparison

Container TypeInternal VolumeMax PayloadPrimary UseTypical Price (Used, USD)
Standard Dry33.2 m³25,000 kgGeneral cargo, storage$1,000–$3,000
High Cube37.4 m³25,000 kgTall cargo, conversions$1,800–$4,000
Open Top32.5 m³26,500 kgTop-loaded cargo$2,500–$5,000
Flat RackN/A27,000–31,000 kgOversized machinery$3,000–$7,000
Reefer (Refrigerated)28.0 m³22,000 kgPerishable goods$4,000–$8,000
Tank14–26 m³ (liquid)VariesBulk liquids$5,000–$12,000

How much does a 20-foot shipping container cost?

The price of a 20-foot shipping container is not a fixed number. It floats with global supply and demand, which in turn is driven by trade volumes, shipping line inventory cycles, steel prices, and regional availability. The figures below represent the US market as of mid-2025.

Price ranges by condition grade

Condition GradeDescriptionPrice Range (USD)
New / One-TripManufactured recently, one cargo voyage, minimal wear$2,000–$4,500
Cargo Worthy (CW)Structurally sound, CSC-certified for ocean freight$1,500–$3,000
Wind & Watertight (WWT)Doors seal, roof intact, no holes — but not CSC-certified$1,000–$2,500
As-IsSold in current condition, may have rust, dents, or door issues$500–$1,500

Understanding condition grades

The terminology used by container dealers can be confusing. Here is what each grade actually means:

New / One-Trip containers have been manufactured in China (where virtually all new containers are built), loaded with cargo exactly once for the voyage to their destination market, and then sold. They have minor cosmetic wear — scuffs on the paint, light surface rust on the undercarriage — but are functionally brand new. The floor has never been loaded, the door seals are pristine, and the paint is factory-fresh on the interior. For buyers who need a container that will last 20+ years with minimal maintenance, a one-trip container is the right choice.

Cargo Worthy (CW) means the container has been inspected and certified to meet ISO standards for ocean freight. It has a valid CSC (Convention for Safe Containers) plate and can be loaded onto a ship. Structurally, it is sound: no holes in the roof, doors that close and seal properly, a floor that will support rated loads, and corner castings that are square and undamaged. Cosmetically, a CW container will show its age — surface rust, dents, faded paint, patches on the walls — but none of this affects structural integrity.

Wind & Watertight (WWT) is the most common grade sold for storage purposes. The container keeps the rain out and is structurally intact, but it may lack a current CSC inspection and would need re-certification before being used for ocean freight. WWT containers often have heavier cosmetic wear, patches on the roof or walls, and doors that require some muscle to operate. For on-site storage, workshop space, or a container conversion, WWT is the sweet spot of value and function.

AS-IS containers are sold with no guarantees. They may have significant rust, holes in the roof, damaged doors, or rotting floors. They are priced for buyers who have the skills and budget to repair them — or who need a container for a temporary, low-stakes application where condition does not matter.

Factors that influence price

Several variables push the price of a specific 20-foot container above or below the market average:

  • Location: Containers in major port cities (Los Angeles, Houston, New York/Newark, Savannah, Seattle) are significantly cheaper than containers in inland locations. A one-trip 20-footer that costs $2,500 in Houston might cost $4,000 in Denver once inland transportation is factored in.
  • Delivery distance: Most dealers charge a per-mile delivery fee on top of the container price, typically $3–$6 per mile for a tilt-bed truck.
  • Market timing: Container prices spiked to historic highs in 2021–2022 during pandemic-era supply chain disruptions, with new 20-footers reaching $5,000+. Prices have since normalized but remain above pre-2020 levels.
  • Color and branding: Used containers often carry the branding and color scheme of their former shipping line owners. Some buyers pay a premium for containers in specific colors or without visible logos if the container will be publicly visible.

What are 20-foot shipping containers used for?

The applications for a 20-foot container extend far beyond maritime shipping.

Traditional shipping and freight

In international trade, the 20-foot container is the preferred choice for dense, heavy cargo: machinery, steel products, bagged agricultural commodities (coffee, rice, sugar), auto parts, chemicals in drums, and consolidated LCL shipments from multiple shippers sharing a single container. Because road weight limits make it impractical to fully load a 40-foot container with dense cargo, shippers of heavy goods overwhelmingly choose the 20-foot format.

Storage applications

20-foot containers dominate the on-site storage market. A construction company parks one at the job site for tool and material security. A retail business uses one for seasonal inventory overflow. A homeowner undergoing renovation stores furniture and belongings during the project. A school athletic department keeps field equipment in one behind the bleachers. The combination of weatherproof construction, lockable doors, and a footprint small enough to fit in a driveway makes the 20-footer ideal for storage in settings where a 40-footer would be too large.

Container conversions and alternative uses

The tiny home and container architecture movement has gravitated toward the 20-foot container as a manageable building module. A single 20-footer, at 160 square feet of gross floor area, is the right size for a compact guest house, backyard office, workshop, or artist studio. Two 20-foot containers placed side by side with the connecting wall removed create a 320-square-foot space that begins to feel like a small apartment. Other popular conversions include:

  • Pop-up retail spaces and food stalls
  • Mobile medical clinics and disaster-relief shelters
  • Swimming pools (container pools are a growing niche)
  • Vertical farms with hydroponic systems
  • Secure data center modules for edge computing
  • Battery energy storage systems (BESS) integrated into container shells

Agricultural and industrial uses

Farms use 20-foot containers as equipment sheds, feed storage, and even temporary livestock shelters. Industrial facilities use them as pump houses, generator enclosures, chemical storage lockers, and paint booths. The standardized dimensions mean that racks, shelves, and accessories are widely available and universally compatible.

How does a 20-foot container compare to a 40-foot container?

Choosing between a 20-foot and a 40-foot container is the most common decision point in container procurement. The answer depends on what you are shipping or storing, where the container will sit, and how it will be delivered.

Complete comparison matrix

Feature20-Foot Container40-Foot Container
External Length20′ (6.06 m)40′ (12.19 m)
Internal Volume1,172 cu ft (33.2 m³)2,390 cu ft (67.7 m³)
Floor Area150 sq ft305 sq ft
Tare Weight~5,000 lbs (2,300 kg)~8,200 lbs (3,750 kg)
Max Payload~55,000 lbs (25,000 kg)~58,800 lbs (26,700 kg)
Standard Pallet Capacity10 (GMA)20–21 (GMA)
EUR Pallet Capacity1125
TEU Equivalency1 TEU2 TEU
Used Price (WWT)$1,000–$2,500$1,500–$3,500
Price per Square Foot$8–$17$5–$11
Delivery FeasibilityMost residential drivewaysRequires significant space
ManeuverabilityTilt-bed truck, forkliftRequires larger equipment

When to choose a 20-foot over a 40-foot container

The 20-footer wins in several specific scenarios:

  • Dense cargo: If you are shipping steel, stone, machinery, or bagged goods, a 40-footer would run out of payload capacity before it runs out of space. The 20-footer’s lower tare weight leaves more payload headroom relative to its volume.
  • Limited site access: A 40-foot container requires roughly 100 feet of straight, level clearance for delivery by truck. A 20-footer can be delivered into much tighter spaces, including most single-family home driveways.
  • Budget constraints: While the 40-footer offers better value per square foot, the absolute purchase price of a 20-footer is lower, which matters for buyers with a fixed budget.
  • Smaller storage needs: If 1,172 cubic feet is enough — and for most residential and small commercial storage needs, it is — the 20-footer avoids paying for unused space.
  • Maneuverability after delivery: A 20-foot container can be moved with a large forklift or a tilt-bed truck, which is useful if the container’s location may change over time.

When a 40-foot container is the better choice

The 40-footer wins when volume matters more than weight, when the container will sit on a spacious commercial lot or farm, and when the incremental cost for double the space — typically only 30–50% more than a 20-footer — is too good to pass up. For container homes and offices, the extra length makes a dramatic difference in livability.

What should you know before buying a 20-foot shipping container?

How to read a CSC plate

Every ISO-compliant shipping container has a CSC (Convention for Safe Containers) safety approval plate riveted to the outside of the left door. This plate is the container’s birth certificate and health record. The key information on it includes:

  • CSC Safety Approval number and issuing country
  • Date of manufacture (month and year)
  • Maximum gross weight (the figure that matters for transport)
  • Allowable stacking weight — how much weight can be stacked on top (typically 192,000 kg or 423,000 lbs for a 20-footer)
  • Racking test load — lateral structural strength
  • Next examination date — containers must be re-inspected periodically

The CSC plate tells you whether the container is legally permitted to be shipped internationally, when it was built, and what its structural limits are. If you are buying a container for storage, the CSC plate is less critical than physical condition, but it still provides valuable information about the container’s age and pedigree.

Delivery and site preparation

A 20-foot container is typically delivered on a tilt-bed truck, which backs into position, tilts the bed, and slides the container onto the ground with a controlled descent. The delivery truck needs:

  • A firm, level surface (asphalt, concrete, compacted gravel, or hard-packed earth)
  • Overhead clearance of at least 14 feet (no low tree branches, power lines, or eaves)
  • Approach clearance — roughly 50–60 feet of straight-line access for the truck
  • Ground that can support the loaded weight — a fully loaded 20-footer exerts roughly 450 lbs per square foot at the corner castings; softer ground may require concrete pads or railroad ties under the corners to prevent sinking

If the delivery truck cannot reach the final position, the container can be offloaded at the nearest accessible point and then moved into position with a forklift — but this requires a forklift rated for the container’s weight and a flat, hard travel path.

Inspection checklist

When inspecting a 20-foot container before purchase — especially a used one — focus on these five areas:

  1. Roof: Look for dents, rust perforations, and patched areas. Stand inside with the doors closed on a sunny day and look for pinholes of light. Any light means water can enter.
  2. Floor: Walk the floor looking for soft spots, delamination, or heavy staining that suggests chemical spills. Tap suspicious areas with a hammer — a solid sound is good, a dull thud indicates rot.
  3. Door seals: Close both doors and check the rubber gaskets for compression, cracking, or missing sections. Run a hose over the closed doors if possible to test for leaks.
  4. Corner castings: The eight corner fittings must be square and undamaged. These are critical for lifting, stacking, and securing the container.
  5. Walls: Surface rust is normal and expected. Deep rust that has eaten through the steel is not. Look for patches that may have been welded over prior damage.

Common misconceptions about 20-foot containers

Misconception 1: “A 20-foot container is exactly half a 40-foot container.”
Wrong. A 40-footer has more than double the internal volume of a 20-footer (67.7 m³ vs. 33.2 m³) because the lost space consumed by walls and doors is proportionally smaller in the longer box. In terms of usable space, a 40-footer is roughly 2.04 times larger than a 20-footer, not 2 times.

Misconception 2: “All 20-foot containers are the same.”
Containers vary by manufacturer (CIMC, Singamas, CXIC, Maersk Container Industry, and others), age, steel gauge, floor type, ventilation design, and intended use. Two containers sitting side by side can have visibly different door hardware, floor construction, and paint systems. Buyers should inspect the specific unit they intend to purchase, not assume interchangeability.

Misconception 3: “A used container is a bad container.”
A well-maintained container built in 2005 can easily outlast a poorly maintained one built in 2020. Corten steel, when its protective rust patina is allowed to form without being abraded or subjected to standing water, has an extraordinarily long service life. The condition grade matters much more than the manufacturing date.

Misconception 4: “Shipping containers are waterproof.”
Containers are designed to be weather-resistant, not hermetically sealed. In heavy, wind-driven rain or flooding conditions, water can enter through door seals, ventilation louvers, and floor gaps. For storage of moisture-sensitive items, active dehumidification or additional sealing is recommended.

Misconception 5: “Only the exterior dimensions are standardized.”
ISO 668 standardizes the external dimensions, corner fitting positions, and structural requirements. It does not standardize the interior finish, floor material, door hardware design, or paint system. Those details are left to the manufacturer and the buying shipping line’s specifications.

Frequently asked questions

What does TEU stand for in shipping?

TEU stands for Twenty-Foot Equivalent Unit. It is the universal measurement for containerized cargo capacity. One 20-foot container equals 1 TEU. A 40-foot container equals 2 TEUs. Port throughput, ship capacity, and global trade statistics are all expressed in TEUs. The largest container ships in service today carry over 24,000 TEUs.

How much does a 20ft shipping container weigh when empty?

A standard empty 20-foot shipping container weighs between 2,200 and 2,300 kg (4,850 to 5,070 lbs). This is called the tare weight. Slight variations occur between manufacturers and container ages.

What are the interior dimensions of a 20-foot shipping container?

The interior of a standard 20-foot dry container measures approximately 19 feet 4 inches long × 7 feet 8 inches wide × 7 feet 10 inches high (5.898 m × 2.352 m × 2.395 m). Total internal volume is 33.2 cubic meters (1,172 cubic feet).

How many EUR pallets fit in a 20-foot container?

A 20-foot container holds 10 to 11 EUR pallets (1,200 × 800 mm), depending on orientation. The most efficient loading pattern places 11 pallets with the 800 mm side parallel to the container width.

How long does a 20-foot shipping container last?

With proper maintenance, a Corten steel shipping container can last 20 to 30 years or more in storage or architectural use. In maritime service, containers typically rotate out of ocean freight after 10–15 years. The key factors affecting lifespan are exposure to saltwater, physical damage, roof condition, and floor integrity. A container that sits on dry land under a roof can easily outlast its owner.

Can a 20-foot container be stacked?

Yes. The corner castings on a 20-foot container are designed for stacking, and the CSC plate specifies the maximum stacking weight. A standard 20-foot container is typically rated to support up to 192,000 kg (423,000 lbs) stacked on top of it — equivalent to roughly six fully loaded containers — when the load is applied through the corner castings. In practice, container ship stacks can be 8–10 containers high.

What is the difference between a 20-foot standard and a 20-foot high cube container?

A 20-foot high cube container is one foot (305 mm) taller than a standard container. External height is 9 feet 6 inches (2.896 m) instead of 8 feet 6 inches (2.591 m). Internal height increases to approximately 8 feet 10 inches (2.69 m), adding about 1.2 cubic meters of volume. High cubes are ideal for tall cargo and container conversions where ceiling height improves usability.

Who invented the shipping container?

The modern intermodal shipping container was invented by Malcom McLean, an American trucking entrepreneur, who launched the first container ship voyage aboard the converted tanker Ideal X on April 26, 1956. McLean’s innovation was not the steel box itself — crates and boxes had existed for centuries — but the system of standardized, stackable, intermodal containers that could move seamlessly between truck, train, and ship without being unpacked.

What is the CSC plate on a shipping container?

The CSC plate (Convention for Safe Containers) is a metal identification and safety approval plate affixed to every ISO-compliant shipping container. It displays the container’s identification number, manufacturer, date of manufacture, maximum gross weight, stacking and racking test loads, and the date of the next required safety inspection. Without a valid CSC plate, a container cannot legally be shipped internationally.

Do I need planning permission to put a 20-foot container on my property?

This depends entirely on local zoning regulations. In many US jurisdictions, a single 20-foot container used for temporary storage does not require a permit, particularly in rural or agricultural zones. However, residential areas, homeowner associations, and historic districts frequently restrict or prohibit container placement. Permanent container structures — homes, offices — almost always require building permits. Check with your local planning department before delivery.

What is the load capacity of a 20-foot container floor?

The marine-grade plywood or bamboo floor of a 20-foot container is rated to support forklift axle loads of approximately 5,460 kg (12,000 lbs) during loading operations. The floor is supported by steel cross-members spaced roughly 12 inches apart. When in doubt about concentrated point loads — for example, the foot of a very heavy machine — place steel plates or timber dunnage under the load to distribute the weight.

How are 20-foot containers transported?

A 20-foot container can be transported by container ship, freight train, semi-truck on a chassis, tilt-bed truck, flatbed truck, or large forklift. The standardized corner castings allow any ISO-compatible lifting or securing system — twist locks on ships and trains, chassis pins on trucks, or slings on cranes — to interface with the container without modification. This intermodal compatibility is the fundamental genius of the container system.



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Shipping containers Nové Zámky Slovakia

23. 6. 2026

Shipping containers in Nové Zámky are a key part of modern logistics and transport in Slovakia. As standardized steel units, shipping containers enable efficient transportation of goods over long distances with minimal costs and maximum protection. Nové Zámky, as an important urban center in western Slovakia, has become a major center for the sale, rental and distribution of shipping containers due to its strategic location and good connections to the transport infrastructure.