How to Choose the Right Size Container

Picking the right size shipping container is one of those decisions that seems straightforward until you start thinking through the details. Too small and you are cramped from day one. Too big and you are paying for space you never use while dealing with a footprint that may not even fit your property.
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The two most common sizes are the 20-foot and the 40-foot container. Each one has a clear set of applications it is best suited for. Here is a practical breakdown to help you figure out which one actually fits what you need.

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The High Cube Option

Beyond the standard height, both 20 and 40-foot containers are available in a high cube version that adds an extra foot of interior ceiling height. That might not sound like much, but it makes a noticeable difference in two situations.

The first is conversion projects. If you are turning a container into a workspace, studio, or living space, that extra foot of headroom makes the interior feel significantly less cramped and gives you more flexibility with insulation, lighting, and interior finishes.
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The second is tall storage. If you are stacking items or storing equipment with any vertical dimension, high cube containers give you that extra clearance without needing to go to a larger footprint.

The Basic Dimensions

A standard 20-foot container measures approximately 20 feet long, 8 feet wide, and 8.5 feet tall on the outside. The usable interior space comes out to roughly 1,170 cubic feet, which is comparable to a large one-car garage or a good-sized storage unit.

If you want to dig into the full specs before deciding, rely on 20-foot shipping container which has everything you need including dimensions, weight capacity, and current availability.
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A standard 40-foot container keeps the same width and height but doubles the length, giving you approximately 2,385 cubic feet of interior space. That is a meaningful jump in capacity and changes what you can realistically store or build inside the unit.

Cost and Value

A 40-foot container costs more than a 20-foot container, but it does not cost twice as much. The per-square-foot cost of the larger unit is generally lower, which makes it a better value when you genuinely need the capacity.
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The flip side is that paying for a 40-foot container when you only need 20 feet of space is not an efficient use of budget. If the project or storage need fits comfortably in a 20-foot unit, buying larger just in case rarely pays off.

When a 40-Foot Container Makes More Sense

The 40-foot container is the right call when volume is the priority and your site can accommodate the longer footprint.

Go with a 40-foot container if:

• You are storing large equipment, vehicles, or bulk inventory
• You are running a construction or job site that needs serious storage capacity
• You are converting the container into a larger living space, retail unit, or multi-room office
• You are buying for a commercial or industrial application with high-volume needs
• You need the extra length for a specific conversion layout or floor plan

Our 40-foot shipping container has full specs and availability details if you want to compare directly against the 20-foot option.

When a 20-Foot Container Makes More Sense

The 20-foot container is the most versatile option for individual buyers and smaller operations. It is easier to transport, easier to place on tight sites, and covers a wide range of uses without excess.
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Go with a 20-foot container if:

• You need personal or household storage during a move or home renovation
• Your property has a tight driveway, limited turning radius, or restricted access
• You are a small business needing on-site storage for tools and supplies
• You are building a small office, studio, or workshop from a converted container
• You want a lower upfront cost without sacrificing functionality

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Thinking About Delivery and Site Access

Before settling on a size, walk your property and think through how the container is going to arrive and where it is going to sit. Longer containers need more room to maneuver during delivery and may require a tilt-bed truck to have a clear run of 80 to 100 feet to slide the container into place.

If your site has trees, power lines, a narrow driveway, or a tight turning radius, a 20-foot container is significantly easier to place than a 40-foot unit. A container that is the right size but impossible to deliver cleanly is not actually the right container for your situation.
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Think through the access question before you order, not after the truck shows up.

Still Not Sure?

If you are weighing the two sizes and cannot quite land on one, think about how much space you actually need right now, not how much you might need someday. Most buyers who overthink the size question end up wishing they had simply gone with what fit their current need rather than speculating on future use.

Ready to buy? Have questions about which size or condition is right for you? We're here to help.
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Call us at (612) 324-5309 or fill out our contact form to get a free quote.