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Storage Unit Size Guide
How Big Is a 5x10 Storage Unit? Dimensions, What Fits, and Who It's For
Fifty square feet in a long, narrow shape. Real box counts, the mattress question settled with measurements, and an honest list of what will not fit.
Compare Every Size
- 5x525 sq ft
- 5x1050 sq ft
- 5x1575 sq ft
- 5x20100 sq ft
- 10x10100 sq ft
- 10x15150 sq ft
- 8x20160 sq ft
- 10x20200 sq ft
- 15x20300 sq ft
- 10x30300 sq ft
- 10x35350 sq ft
- 20x20400 sq ft
- 10x40400 sq ft
- 15x30450 sq ft
- 20x25500 sq ft
- 20x40800 sq ft
- 30x401,200 sq ft
On This Page
- What a 5x10 Storage Unit Actually Is
- What Fits in a 5x10 Storage Unit
- What Does Not Fit in a 5x10 Storage Unit
- Who a 5x10 Storage Unit Is Right For
- How to Know If You Should Size Up or Down
- How to Pack a 5x10 Storage Unit Efficiently
- Climate-Controlled or Standard: Which 5x10 to Choose
- What a 5x10 Storage Unit Costs and How to Think About Value
- Frequently Asked Questions
- Reserve a 5x10 Storage Unit Near You
Section 01
What a 5x10 Storage Unit Actually Is
The 5x10 is the size people arrive at after deciding a 5x5 is too small and suspecting a 10x10 is more than they need. That instinct is usually right.
A 5x10 measures 5 feet wide by 10 feet deep: 50 square feet of floor, or a rectangle 60 inches by 120 inches. With 8-foot ceilings that gives you 400 cubic feet, exactly double a 5x5.
But a 5x10 is not simply a bigger 5x5. It is a long, narrow room rather than a box, and ten feet of depth is enough to walk into, organize in zones, and reach the back of without emptying the front. That changes what it is good for in ways a square-footage comparison misses entirely.
The Unit in Three Dimensions
Square footage undersells a storage unit, because what you are renting is volume. Both cutaways below show the same 5x10 at the same scale. The only difference between them is how the boxes are stacked.
Stacked five layers high
One layer on the floor
That is the whole argument for packing vertically. The two drawings are the same rented space at the same price, and the one on the left holds five times as much. Most people use about 40 inches of a 96-inch ceiling, and pay for the rest either way.
The Floor, Drawn to Scale
Looking straight down, here is the floor of a 5x10 at true proportion, with one layer of 18-inch medium moving boxes laid across it. Three fit across the 60-inch width and six run down the 120-inch depth, giving you eighteen per layer.
120 in / 10 ft deep · door on left wall
Eighteen medium boxes per layer. Five safe layers gives you about 90 boxes, if the unit holds nothing else.
Why the Shape Matters More Than the Square Footage
In a 5x5 you load from the doorway and everything past the first arm's length is effectively sealed until move-out. In a 5x10 you can step inside, put frequently accessed items in the front five feet, and keep long-term storage in the back five.
You can also lay long objects down flat, which a 5x5 cannot do at all. A 120-inch wall accommodates sofas, mattresses, ladders, rolled rugs and skis without standing any of them on end.
The Ten-Foot Truck Rule
This is the most useful single comparison on the page. A standard 10-foot moving truck holds roughly 400 cubic feet of cargo, which is almost exactly the volume of a 5x10.
So: if your belongings fill a 10-foot rental truck, they will fill a 5x10 and very little more. If you needed a 15-foot truck, you need a larger unit. This rule is unusually reliable because it compares volume to volume rather than guessing from a room count. Our moving truck size guide covers truck capacities if you are working the problem from that direction.
Why You Will Never Get All 400 Cubic Feet
Boxes are rectangles. Furniture is not. A 5x10 packed with uniform boxes reaches roughly 75 to 80 percent of its theoretical volume. One packed with mixed furniture and loose items lands closer to 55 to 65 percent. Every figure below says which assumption it uses.
Section 02
What Fits in a 5x10 Storage Unit
Moving boxes are fairly consistent across manufacturers. A small book box is 16 by 12 by 12 inches (about 1.5 cubic feet), a medium is 18 by 18 by 16 inches (about 3 cubic feet), and a large is 18 by 18 by 24 inches (about 4.5 cubic feet).
Each medium box is 16 inches tall against a 96-inch ceiling. Six layers would reach it exactly, but stacking to the full 8 feet is neither safe nor practical for one person working alone. Five layers puts your top box at 80 inches, which is realistic.
Every Mattress Size Fits, Including a King
Worth stating plainly, because competitors hedge on this and some answer it wrong. Against the 120-inch wall of a 5x10, standing on its long edge:
- Twin (38 by 75 in): fits, using 38 inches of wall.
- Full (54 by 75 in): fits, using 54 inches of wall.
- Queen (60 by 80 in): fits, using 60 inches of wall with 16 inches of headroom.
- King (76 by 80 in): fits. It stands 80 inches tall under a 96-inch ceiling and takes 76 of your 120 inches of wall.
- California king (72 by 84 in): fits, standing 84 inches tall with a foot of clearance.
The constraint that defeats a king in a 5x5, its 76-inch width against a 60-inch wall, disappears here because the long wall is 120 inches. If a king mattress is the item forcing your decision, a 5x10 is the smallest unit that takes it.
Furniture, With the Measurements
- Three-seat sofa (about 84 in long): lies flat along the long wall with 36 inches to spare, or stands on end.
- Dining table (60 to 72 in): fits along the long wall. With the legs off, the top goes flat against a wall and frees the floor entirely.
- Dresser, armoire, chest of drawers: fit, and the drawers should be packed.
- Refrigerator (30 to 36 in wide, 32 deep): fits with plenty of floor remaining.
- Washer and dryer side by side (54 in combined against a 60-inch wall): fits, using 54 by 30 inches of floor. Stack bins on top.
- Bicycles: two or three fit standing against the long wall.
- Long items up to about 10 feet: ladders, skis, rolled rugs, lumber, curtain rods and kayaks under 10 feet all lie flat along the length. A real advantage over a 5x5, which caps out around 85 inches on the diagonal.
Shelving Capacity
A 5x10 has 30 linear feet of wall, minus the door opening, leaving roughly 26 usable feet. Running 12-inch-deep shelving along both long walls gives you 20 linear feet of run, and at five shelves high that is about 100 linear feet of shelf while still leaving a walkable aisle down the middle. For inventory, records or hobby supplies this gets far more into the unit than stacking, and everything stays individually reachable. Our business storage page covers commercial use in more depth.
As a Household Benchmark
A 5x10 comfortably holds the contents of a studio apartment or one fully furnished bedroom: a mattress set, a dresser, a nightstand or two, a desk, and 25 to 35 boxes. It does not hold a one-bedroom apartment including the living room and kitchen. That is a 10x10.
Section 03
What Does Not Fit in a 5x10 Storage Unit
A 5x10 is generous in one direction and tight in the other. Sixty inches of width is what stops most of the things that do not fit.
The Width Is the Real Limit
- Sectional sofas. Individual sections are usually under 60 inches, but an assembled sectional is not, and the arrangement rarely works in a 5-foot-wide space.
- Large dining sets. A table over 72 inches plus six chairs plus a china cabinet is more than 50 square feet can take alongside anything else.
- A one-bedroom apartment in full. Bedroom plus living room plus kitchen exceeds a 5x10 in almost every case.
- Two rooms of furniture. One furnished room fits. Two does not.
- Appliance sets plus furniture plus boxes. A refrigerator, a washer and dryer, and a bedroom of furniture together leave no room for boxes.
- Anything wider than 60 inches that cannot be laid down or taken apart: wide workbenches, pool tables, large armoires that cannot be tipped.
- Anything longer than about 10 feet: extension ladders past 10 feet, long lumber, canoes and most surfboards over 10 feet.
Vehicles and Prohibited Items
- Cars and larger vehicles. Passenger vehicles are 14 to 17 feet long and 6 feet or more wide. A 5x10 is neither long enough nor wide enough. The smallest unit that takes a compact car is a 10x20.
- Flammable, combustible or hazardous materials: gasoline, propane tanks, paint, solvents, fireworks, ammunition.
- Perishable food, or anything that attracts pests.
- Living things, including plants and animals.
- Anything illegal or stolen.
- Anything you cannot afford to be without. A storage unit is not a safe deposit box.
Motorcycles: It Fits, but Check the Requirements First
Dimensionally a motorcycle fits a 5x10 comfortably. Most bikes are 7 to 8 feet long against 10 feet of depth, and handlebars run 30 to 36 inches wide against 60 inches. This is one of the most common reasons people rent this size.
Storing a vehicle with us carries requirements that storing boxes does not, including proof of current registration and proof of insurance. Before you book a 5x10 for a bike, read our vehicle storage page and your rental agreement so there are no surprises at move-in.
Our full storage FAQs cover prohibited items in detail, and your rental agreement is the controlling document. If you are storing anything unusual or high in value, read the agreement rather than relying on a general guide, including this one.
Section 04
Who a 5x10 Storage Unit Is Right For
People Storing One Furnished Room
The cleanest use case. A bedroom, a home office or a den empties into a 5x10 almost exactly, furniture and boxes together. If you are converting a spare room into a nursery, a gym or an office, this is the size that clears it.
Households Between Homes
Closing dates rarely align. If you are selling one place and buying another, or waiting on a build, a 5x10 holds a studio's worth of belongings through the gap. Because we rent month to month with no long-term contract, a two-month gap costs two months.
Students With an Off-Campus Apartment
A dorm room fits a 5x5. An off-campus apartment usually does not. Once you have a real bed, a couch, a desk and a few semesters of accumulation, the 5x10 handles summer storage without a second trip.
Home Sellers and Stagers
Agents routinely ask sellers to remove roughly a third of their furniture and nearly all personal items. A 5x10 absorbs that without touching what stays in the house.
Small Businesses and Online Sellers
With shelving along both long walls a 5x10 becomes a stockroom: roughly 100 linear feet of shelf, a walkable aisle and 24/7 access. It suits e-commerce inventory, trade show materials, seasonal merchandise, contractor supplies and record archives.
Military Families Between Assignments
A 5x10 is a common size for a service member storing personal belongings through a deployment or a permanent change of station. We follow the Servicemembers Civil Relief Act, with active duty verification at signup, and we have facilities near military installations in Texas, Arkansas, North Carolina and South Carolina.
An Underappreciated Case: People Storing Long Things
If your storage problem is skis, ladders, rolled rugs, kayaks, fishing rods or lumber, the 120-inch wall is what you are actually buying. A 5x5 cannot take any of it, and a 10x10 costs more for length you already have here.
Section 05
How to Know If You Should Size Up or Down
Start With the Truck Test
A 10-foot moving truck holds about 400 cubic feet, which is the volume of a 5x10. If you can fit everything into a 10-foot truck, a 5x10 will hold it. If you need a 15-foot truck, size up to a 10x10. If everything fits in a pickup bed or two car loads, size down to a 5x5.
Count Rooms, Not Items
Part of one room or a single category of belongings, and a 5x5 is enough. One fully furnished room or a studio apartment, and a 5x10 is right. Two rooms or a one-bedroom apartment, go to a 10x10. Three or more rooms, go to a 10x15 or larger.
Size Up If Any of These Are True
- You are storing a living room and a bedroom together
- You have a sectional sofa or a large dining set
- You need to walk fully around your belongings rather than down one aisle
- You are storing appliances alongside a full room of furniture
- Your inventory is uncertain, which nearly always means larger than estimated
Size Down to a 5x5 If Any of These Are True
- You are storing one nameable category rather than a room
- Your boxes are packed and counted and the total is under about 35
- You have no furniture larger than a nightstand going in
- You are currently in a 5x10 that is visibly less than half full
That last one is worth acting on. If you are paying for a 5x10 and using half of it, moving to a 5x5 is a straightforward saving, and because we are month to month there is no penalty for making the change.
When You May Not Need a Unit at All
If your inventory is a handful of boxes and you have an unused garage bay, a dry basement or a spare closet, renting is probably not worth it.
And if a significant share of what you plan to store consists of things you have already decided you do not want, storing them is deferring a decision at a monthly cost. Sell, donate or dispose of those items first, then size the unit to what is left. That often turns a 5x10 decision into a 5x5 decision.
Our storage size calculator builds a recommendation from an item-by-item inventory, and the size guide shows every size we rent side by side.
Section 06
How to Pack a 5x10 Storage Unit Efficiently
The 5x10 rewards a strategy that does not apply to a 5x5: because it is deep enough to walk into, you can organize it in zones and keep everything reachable for the length of the rental.
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Decide First Whether You Need an Aisle
The one decision that determines everything else. If you will not open the unit until move-out, pack it wall to wall and gain about 30 percent capacity. If you will visit even monthly, leave an 18 to 24 inch aisle down the middle. Choosing wrong in the first direction means unpacking the unit to reach one box. Choosing wrong in the second means paying for an aisle you never walk down.
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Load in Zones, Back to Front
Put long-term items in the back five feet and anything you may need in the front five. This is the whole advantage of the 5x10 shape and most renters ignore it.
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Use the Long Wall for Long Things
Mattresses, sofas, table tops, mirrors and headboards go flat against a long wall first. They are thin, they occupy almost no floor depth on edge, and placing them before anything else prevents the common mistake of building a box wall and then having nowhere to put the mattress.
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Build Vertically Along Both Sides
You have 96 inches of height and 20 feet of long wall. Stack uniform boxes to about 80 inches on both sides, heavy on the bottom, light on top. Uniform boxes reach roughly 80 percent volume efficiency; mismatched sizes land near 55 percent, and across 400 cubic feet that difference is about 100 cubic feet.
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Disassemble and Fill the Hollows
Bed frames, table legs and bookshelves flat-pack to a fraction of their assembled size. Dresser drawers, suitcases, coolers, refrigerators and washing machines are volume you have already paid for. Bag hardware and tape it to the piece it came from.
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Consider Shelving for Small Items
If most of what you are storing is smaller than a box, freestanding shelving along one or both long walls will outperform stacking by a wide margin and keep everything individually reachable. A bookcase you were already storing can do this job.
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Get Everything Off the Floor
Pallets, lumber or plastic risers under the bottom layer cost almost nothing and protect against incidental moisture on a concrete slab. Worth doing in any unit, and especially for anything cardboard or upholstered.
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Label the Aisle-Facing Side
You will only ever see one face of each box. Label that face and the top.
Our full storage tips guide goes further on protecting furniture and preparing appliances for storage.
Section 07
Climate-Controlled or Standard: Which 5x10 to Choose
We offer 5x10 units in both standard and climate-controlled configurations, though availability varies by location.
Standard Unit
Enclosed and secure, keeping weather and direct sun off your belongings. Interior temperature tracks the outside temperature, which across much of our footprint means summer highs well above 100 degrees inside and winter lows below freezing.
Fine for:
- Hand tools, yard equipment and hardware
- Plastic totes of household goods and holiday decorations
- Camping, sports and outdoor gear
- Metal shelving, patio furniture and durable goods
- Short-term storage over a mild season
Climate-Controlled Unit
Temperature-regulated, holding an interior temperature range year round. That protects belongings from the extreme heat and hard freezes that warp wood, crack vinyl, degrade adhesives and damage electronics.
Worth it for:
- Electronics, computers and anything with a battery or screen
- Wood furniture, especially antiques and veneered pieces
- Mattresses and upholstered furniture in long-term storage
- Vinyl records, film, photographs and artwork
- Leather goods and musical instruments
An Honest Limitation Worth Knowing About
Climate control at our facilities means temperature regulation. It does not mean moisture management, and we do not want anyone assuming otherwise on the strength of the name.
This matters because temperature and moisture are two different threats. If you are storing something genuinely moisture-sensitive, such as photographs, paper records, leather, instruments or textiles, a temperature-regulated unit addresses one of those threats and not the other. Take your own precautions for the second: seal items in airtight plastic bins rather than cardboard, add desiccant packs inside the containers, and keep everything off the concrete floor on a pallet or riser. Those steps cost very little and do more for moisture-sensitive items than any unit type will.
We would rather tell you this now than have you discover it later.
More detail on how our temperature-regulated units work is on the climate-controlled storage page.
Section 08
What a 5x10 Storage Unit Costs and How to Think About Value
Pricing for a 5x10 starts at $14 per month. What you actually pay depends on your market, the specific facility, whether the unit is climate-controlled, and what is available when you book, so the only accurate number is the live one at the location you are considering.
The Cost Logic That Does Not Change
Prices move. The underlying economics do not, and they are worth understanding before you choose.
- Larger units cost less per square foot. Consistently, across the industry. A 5x10 costs more per month than a 5x5 and less per square foot.
- The gap between adjacent sizes is smaller than the gap in capacity. Stepping up to a 10x10 buys considerably more space than it costs. If you are genuinely uncertain about your inventory, that arithmetic favors sizing up.
- Oversizing is a real cost too. Half-empty units are common, and the fix is easy under month-to-month terms. If you have been paying for space you do not use, change it.
- The expensive mistake is undersizing. A mid-rental swap means renting a truck twice, moving everything twice, and losing a day. That cost dwarfs several months of the difference between two unit sizes.
What Is Included
Every rental includes a free lock, month-to-month terms with no long-term contract, and 24/7 gate access at nearly all of our locations. A protection plan is required at checkout at all of our facilities. Before you select one, check whether your existing homeowner's or renter's policy already extends coverage to belongings stored off premises, and read your rental agreement for what the plan does and does not cover.
One Thing We Cannot Do
Our facilities are fully automated and unstaffed. You rent online, receive your gate code by email and text, and go straight to your unit. There is no office visit and no appointment.
That model is also why we cannot accept deliveries on your behalf. There is nobody on site to receive them. If your storage plan depends on someone accepting a shipment, a 5x10 with us is not the right fit, and it is better to know that before you book. More on how our facilities operate is on the why choose 10 Federal Storage page.
5x10 Storage Unit, Frequently Asked Questions
A 5x10 storage unit is 5 feet wide by 10 feet deep, for 50 square feet of floor space. With 8-foot ceilings that comes to 400 cubic feet of total volume, roughly the size of a large walk-in closet or half a single-car garage.
About 90 medium moving boxes stacked wall to wall, five layers high, with nothing else in the unit. Leave a walking aisle and the figure is 60 to 65. Alongside a bedroom's worth of furniture, plan on 25 to 35 boxes.
Yes. A king mattress is 76 by 80 inches, so it stands on its long edge under an 8-foot ceiling and takes up 76 inches of the unit's 120-inch long wall. A California king fits too. The 5x10 is the smallest unit that takes a king mattress.
Yes, comfortably. A queen is 60 by 80 inches and stands against the long wall with 16 inches of headroom, using half the wall and leaving the rest for other belongings.
Dimensionally, yes. Most motorcycles are 7 to 8 feet long against 10 feet of depth, with handlebars well inside the 5-foot width. Storing a vehicle carries requirements that storing household goods does not, including proof of current registration and proof of insurance, so review our vehicle storage information and your rental agreement before booking.
No. Passenger cars are 14 to 17 feet long and over 6 feet wide, well beyond a 5x10 in both directions. A 10x20 is the smallest unit that takes a compact car, and dedicated vehicle parking spaces are available at many of our locations.
Usually not. A 5x10 holds a studio apartment or one fully furnished room. A one-bedroom apartment including living room and kitchen contents generally needs a 10x10.
Yes, side by side with room to spare. Standard machines are 27 inches wide each, so a pair spans 54 inches against the 60-inch wall and uses about 54 by 30 inches of floor, leaving most of the unit free.
Yes. A standard three-seat sofa is about 84 inches long and lies flat along the 120-inch wall with room to spare, or stands on one end. Sectionals are the exception and generally will not work in a 5-foot-wide unit.
Roughly a 10-foot truck. A 10-foot moving truck holds about 400 cubic feet, which is almost exactly the volume of a 5x10, making it a reliable way to check your sizing before you book.
Our 5x10 units have 8-foot ceilings, which is where the 400 cubic foot figure comes from. Confirm the specific unit if you are storing something unusually tall.
A 10x10. A 5x10 holds a single furnished room or a studio, so a two-bedroom apartment's furniture, appliances and boxes will exceed it. If your belongings would need more than a 10-foot truck, size up.
It depends what is going in it. Choose a temperature-regulated unit for electronics, wood furniture, mattresses in long-term storage, photographs, documents, leather and instruments. A standard unit is fine for tools, plastic bins and seasonal gear. Our climate-controlled units regulate temperature only, so pack moisture-sensitive items in sealed containers either way.
Nearly all of our locations offer 24/7 gate access. Your gate code is sent by email and text when your rental is confirmed. Our facilities are unstaffed, so there is no office to visit and no appointment needed.
Reserve a 5x10 Storage Unit Near You
The 5x10 earns its popularity honestly. It holds a furnished room or a studio apartment, takes any mattress size including a king, handles long items a smaller unit cannot, and is deep enough to organize rather than just fill. If your belongings would fill a 10-foot moving truck, this is your size. If they would need a 15-foot truck, the next size up will save you a second move.
