A standard 20ft shipping container is one of the most widely used container sizes for international freight, secure storage, construction sites, and commercial cargo movement.
This guide explains 20ft shipping container size and specifications, including exterior dimensions, internal length, internal width, internal height, door opening, storage volume, tare weight, gross weight, payload capacity, and common uses for shipping or storage.
Container dimensions
Payload capacity
Storage volume
A standard 20ft dry shipping container is approximately 20 ft long, 8 ft wide and 8 ft 6 in high externally. Typical internal dimensions are about 19 ft 4 in long, 7 ft 8 in wide and 7 ft 10 in high. It provides approximately 33 CBM of internal volume and usually supports a maximum payload of around 28,000 kg. Exact specifications may vary slightly by container manufacturer and carrier.
| Specification | Metric | Imperial |
|---|---|---|
| External dimensions | Approx. 6.06 × 2.44 × 2.59 m | Approx. 20' × 8' × 8'6" |
| Internal dimensions | Approx. 5.90 × 2.35 × 2.39 m | Approx. 19'4" × 7'8" × 7'10" |
| Door opening | Approx. 2.34 × 2.28 m | Approx. 7'8" × 7'6" |
| Internal volume | Approx. 33 CBM | Approx. 1,165–1,172 cu ft |
| Tare weight | Approx. 2,200–2,300 kg | Approx. 4,850–5,070 lb |
| Maximum payload | Approx. 28,000 kg | Approx. 61,700 lb |
| Maximum gross weight | Approx. 30,480 kg | Approx. 67,200 lb |
These are typical specifications for a standard 20ft dry container. Always confirm the carrier’s equipment specifications and the CSC plate before loading.
A 20ft container is designed for sea freight, truck transport, rail movement, stacking, lifting, and long-term use. Although container sizes are generally standardized, small variations may exist depending on the manufacturer, shipping line, and container type.
| Dimension | Imperial Units | Metric Units |
|---|---|---|
| Exterior Length | 20'0" | 6.06 m |
| Exterior Width | 8'0" | 2.44 m |
| Exterior Height | 8'6" | 2.59 m |
The exterior size matters for truck delivery, container placement, construction sites, commercial properties, and locations with limited access. Compared with a 40ft container, the smaller size makes a 20ft unit easier to transport and position.
| Dimension | Imperial Units | Metric Units |
|---|---|---|
| Internal Length | 19'4" | 5.90 m |
| Internal Width | 7'8" | 2.35 m |
| Internal Height | 7'10" | 2.39 m |
| Storage Volume | About 1,172 cu ft | About 33 CBM |
The internal dimensions are used to calculate how much cargo, equipment, tools, inventory, or household goods can fit inside. When planning a shipment, leave enough space for loading gaps, securing materials, pallet clearance, and safe door closing.
| Door Dimension | Imperial Units | Metric Units |
|---|---|---|
| Door Opening Width | About 7'8" | About 2.34 m |
| Door Opening Height | About 7'5"–7'6" | About 2.28 m |
The door opening height is especially important for machinery, crates, pallets, and oversized equipment. Some items may fit inside the container but fail to pass through the doors, so door measurements should always be checked before loading.
A standard 20ft dry container is commonly measured in meters, centimeters and millimeters as follows:
Exact measurements may vary slightly by container manufacturer and carrier.
A 20ft container is often selected for heavy cargo because it provides strong load capacity in a compact unit. This makes it suitable for machinery, tiles, stone products, batteries, hardware, and construction materials.
| Specification | Approximate Value |
|---|---|
| Tare Weight | About 4,800 lbs / 2,200 kg |
| Maximum Gross Weight | About 67,200 lbs / 30,480 kg |
| Maximum Payload | About 62,000 lbs / 28,000 kg |
The tare weight is the empty container weight. Gross weight means the container plus cargo. Payload refers to the maximum cargo weight that can be loaded inside.
Actual payload capacity may vary depending on the container condition, route, carrier rules, road weight limits, and destination regulations. For dense cargo, proper weight distribution is important to avoid loading imbalance and transport problems.
| Capacity Item | Approximate Value |
|---|---|
| Storage Volume | About 33 CBM |
| Floor Space | About 13.8 m² |
| Standard Pallets | 10 pallets |
| Euro Pallets | 11 pallets |
A 20ft container provides enough floor space for compact cargo, tools, small equipment, seasonal inventory, garage overflow, and many business storage needs. It can also hold the contents of a small apartment, depending on how the items are packed.
Most 20ft containers used in international shipping are standard dry containers. A 20ft high-cube container has the same length and width but provides more height.
| Container Type | Exterior Height | Internal Height | Storage Volume |
|---|---|---|---|
| 20ft Standard Container | 8'6" / 2.59 m | 7'10" / 2.39 m | About 33 CBM |
| 20ft High Cube Container | 9'6" / 2.90 m | About 8'10" / 2.69 m | About 37 CBM |
A high-cube unit is useful for taller cargo, light bulky goods, custom build projects, workshops, pop-up shops, and modified container uses. However, 20ft high-cube containers are less common than standard units, so availability depends on local supply, carrier equipment, and delivery location.
Choosing the right container size depends on more than length. Cargo weight, loading volume, carton height, pallet layout, delivery cost, and destination weight limits all affect the final choice.
| Item | 20ft Container | 40ft Container | 40HQ Container |
|---|---|---|---|
| Exterior Length | 20 ft | 40 ft | 40 ft |
| Exterior Height | 8'6" | 8'6" | 9'6" |
| Internal Volume | About 33 CBM | About 67 CBM | About 76 CBM |
| Pallet Capacity | 10–11 pallets | 20–25 pallets | 20–25 pallets |
| Best Cargo Type | Heavy and compact goods | Larger general cargo | Bulky and lightweight cargo |
| Common Use | Machinery, tiles, metal parts, tools | Furniture, retail goods, cartons | Home goods, e-commerce goods, tall cartons |
| Main Advantage | Strong payload in a smaller unit | More floor space | Extra height and larger volume |
A 20ft container is often the better option for heavy goods, compact shipments, construction sites, residential storage, and locations with limited access. A 40ft container is usually more cost effective when cargo is bulky but not too heavy.
A 20ft container has about 33 CBM of internal volume, but the practical usable capacity is usually lower. Cargo shape, pallet size, carton strength, forklift access, ventilation needs, and loading method all affect the final result.
| Cargo Type | Main Limiting Factor | Practical Loading Guidance |
|---|---|---|
| Machinery and metal products | Payload weight | The container may reach its weight limit before all available internal volume is used. |
| Cartons and consumer goods | Internal volume | Packaging shape and unused gaps normally reduce usable space below the nominal 33 CBM. |
| Palletized cargo | Pallet dimensions and layout | The final pallet quantity depends on pallet size, loading direction and whether stacking is permitted. |
| Furniture and lightweight cargo | Volume | Flat packing and disassembly can significantly improve container space utilization. |
| Mixed cargo | Weight distribution and cargo shape | Heavy cargo should be distributed evenly, with suitable blocking, bracing and protection. |
Although a standard 20ft container has a nominal capacity of about 33 CBM, the practical loadable volume is usually lower because of packaging, pallets, cargo shape, clearance and weight-distribution requirements.
For carton cargo, use this formula:
CBM = Length × Width × Height × Number of Cartons
All measurements should be in meters. For example, if each carton is 0.5 m × 0.4 m × 0.3 m, and there are 500 cartons, the total volume is:
0.5 × 0.4 × 0.3 × 500 = 30 CBM
Although 30 CBM may fit by volume, you still need to consider pallet space, loading gaps, cargo protection, and whether the cartons can be stacked safely.
A standard 20ft container usually fits:
10 standard pallets measuring 1200 × 1000 mm
11 Euro pallets measuring 1200 × 800 mm
The final pallet capacity depends on pallet height, cargo weight, stacking method, and whether forklift loading is required. Fragile cargo, irregular crates, heavy machines, and non-stackable goods may use less than the full storage volume.
A 20ft container is ideal for dense cargo because it can reach the legal weight limit before the container is full by volume. Common heavy cargo includes:
Machinery
Ceramic tiles
Stone products
Metal parts
Tools and hardware
Industrial equipment
This is why many heavy shipments use 20ft containers instead of 40ft containers.
A standard 20ft container is constructed from corrugated corten steel, designed to withstand harsh marine environments, stacking pressure, lifting, rain, humidity, and repeated transport by ship, truck, and rail.
Common structural parts include:
Corrugated corten steel walls and roof
Marine-grade plywood floor
Double cargo doors with locking bars
Rubber door seals
Corner castings for lifting and stacking
Forklift pockets on many units
Base rails and steel cross members
Ventilation openings on standard dry containers
The steel structure provides strength and security, while the plywood floor supports cargo, tools, machinery, and storage items. For long-term use, check the door seals, locks, floor condition, surface rust, minor dents, ventilation, and water tightness before choosing a used unit.
A 20ft container is commonly used for secure storage, construction storage, commercial storage, and project space. When comparing containers for sale or rental, the most important factors are condition, location, delivery access, and long-term use requirements.
A used container can still be reliable if the doors close properly, the floor is strong, and the unit is wind and water tight. For clean inventory, residential use, or custom build projects, many customers prefer a new or one-trip unit.
The cost of a 20ft container depends on condition, location, local supply, and delivery distance. In some markets, a used 20ft container may cost around $800 to $1,600, while a one-trip container is usually more expensive because it is in better condition.
Renting can be a better choice for short-term storage, with prices often starting around $125 per month. A 40ft container usually costs more than a 20ft unit, but it may offer better value if you need extra storage volume.
Before buying or renting, check the container condition, door operation, floor strength, water tightness, delivery location, and site access. Delivery cost should also be included when comparing prices, especially if the site is far from the supplier or difficult for trucks to reach.
Useful freight, customs and importing resources related to this shipping guide.
