10×20 storage unit size guide
A 10x20 storage unit provides 200 square feet of floor space and about 1,600 cubic feet of volume — the size of a standard one-car garage. It holds the contents of a three to four-bedroom house, or a full-size car plus household goods.
- 200 sq ft
- 1,600 cu ft
- Fits 3 bedroom house
- $160–$310 / month
How big is a 10×20 storage unit?
| Dimensions | 10 ft × 20 ft |
|---|---|
| Floor space | 200 square feet (sq ft) |
| Assumed ceiling height | 8 ft |
| Approximate volume | 1,600 cubic feet (cu ft)* |
| Realistic usable volume | 1,360 cu ft at moderate packing density |
| Door | 8–9 ft wide roll-up door |
| Similar to | a standard one-car garage |
| Typical use | 3 bedroom house |
| Vehicle storage | A full-size car or small boat, plus furniture |
| Typical monthly cost | $160–$310 standard, $195–$380 climate-controlled |
*Volume assumes an 8-foot ceiling. Usable capacity varies with door clearance, packing density and whether you leave an access aisle. Cost is a national reference range, reviewed August 2026.
What fits in a 10×20 storage unit?
- A three to four-bedroom house including the garage
- A full-size car, truck or small boat
- A five-piece living room, two dining sets and four bedrooms of furniture
- Around 320 medium boxes stored alone
- The contents of a 26 ft rental truck
Stored on its own, a 10×20 storage unit takes roughly 453 medium boxes at 3 cu ft each. In practice furniture takes most of the space and boxes fill what is left. For a room-by-room breakdown with layout diagrams, see what fits in a 10×20 storage unit.
What does not fit
- Two cars
- A five-bedroom house with a workshop — look at a 10x30
Example inventories
Real item lists, priced in cubic feet from packed volumes for 110+ household items. Nothing here is rounded by hand.
A three-bedroom house, garage included — 1,210 cu ft, about 89% full
| Item | Qty | Volume |
|---|---|---|
| Medium box (3.0 cu ft) | 30 | 90 cu ft |
| Large box (4.5 cu ft) | 18 | 81 cu ft |
| Queen bed set | 1 | 60 cu ft |
| Twin bed set (mattress, box, frame) | 2 | 60 cu ft |
| Wardrobe box (11 cu ft) | 5 | 55 cu ft |
| Sofa, 3-cushion | 1 | 50 cu ft |
| Refrigerator, standard | 1 | 50 cu ft |
| Dresser, single (up to 4 drawers) | 2 | 50 cu ft |
| Full bed set | 1 | 45 cu ft |
| Bookcase, 4+ shelves | 2 | 40 cu ft |
| China cabinet / hutch | 1 | 40 cu ft |
| Dresser, double / triple | 1 | 40 cu ft |
| Desk, executive / L-shaped | 1 | 35 cu ft |
| Plastic storage tote | 8 | 32 cu ft |
| Armchair | 2 | 30 cu ft |
| Dining table | 1 | 30 cu ft |
| Dining chair | 6 | 30 cu ft |
| Buffet / sideboard | 1 | 30 cu ft |
| Range / oven | 1 | 30 cu ft |
| Chest of drawers, tall | 1 | 28 cu ft |
| Washing machine | 1 | 25 cu ft |
| Clothes dryer | 1 | 25 cu ft |
| Workbench | 1 | 25 cu ft |
| Nightstand | 4 | 24 cu ft |
| Patio chair | 4 | 24 cu ft |
| Dish barrel (5.2 cu ft) | 4 | 20.8 cu ft |
| Area rug, rolled | 2 | 20 cu ft |
| Bicycle | 2 | 20 cu ft |
| Patio table | 1 | 20 cu ft |
| TV stand / media console | 1 | 15 cu ft |
| Push lawn mower | 1 | 15 cu ft |
| Tool chest | 1 | 15 cu ft |
| BBQ grill | 1 | 15 cu ft |
| Coffee table | 1 | 10 cu ft |
| End table | 2 | 10 cu ft |
| TV, 50" and larger | 1 | 10 cu ft |
| Office chair | 1 | 10 cu ft |
Is a 10×20 storage unit right for your home?
A whole three-bedroom house between closings, or long-term vehicle storage with room to spare.
| Home size | Estimated volume | Fill rate in this unit | Verdict |
|---|---|---|---|
| storage for studio apartment | 278 cu ft | 20% | Comfortable |
| storage for 1 bedroom apartment | 445 cu ft | 33% | Comfortable |
| the 2 bedroom apartment breakdown | 630 cu ft | 46% | Comfortable |
| storage for 3 bedroom house | 1,168 cu ft | 86% | Comfortable |
Bedrooms are a poor predictor at this size. A three-bedroom house with a bare garage and one with a workbench, mower and eight totes differ by around 250 cubic feet. If that is your situation, the sizing 3 bedroom house works through the same decision with the extras that usually push people up a size.
How to pack a 10×20 storage unit
The same unit holds noticeably different amounts depending on how you load it. Three workable layouts:
- Garage-style. Vehicle down the middle, shelving and boxes along both walls, workbench at the back. The layout the unit was designed for.
- Whole house, two aisles. Three blocks of storage with two narrow aisles. Sacrifices about 20% of volume and makes a year-long rental workable.
| Packing density | What it means | Usable volume | With a 15% access aisle |
|---|---|---|---|
| Loose | Nothing stacked above head height, fragile items, room to move things around. | 1,120 cu ft | 952 cu ft |
| Moderate | Stacked to around 7 ft with furniture placed sensibly. The default. | 1,360 cu ft | 1,156 cu ft |
| Tight | Stacked to the ceiling, uniform boxes, disassembled furniture. Needs planning. | 1,488 cu ft | 1,265 cu ft |
The gap between loose and tight packing in this unit is 320 cubic feet — often a whole unit size. Our packing guide covers how to get to the tight end without burying the things you need.
How much does a 10×20 storage unit cost?
A 10×20 storage unit typically costs $160–$310 per month for a standard unit and $195–$380 per month climate-controlled. These are national reference ranges, not quotes — city pricing runs well above them and rural pricing well below.
| Unit type | Typical monthly range | Notes |
|---|---|---|
| Standard | $160–$310 | Drive-up or interior, no climate control |
| Climate-controlled | $195–$380 | Adds roughly 20–40% for temperature and humidity control |
National reference ranges before promotions, taxes and fees. Reviewed August 2026. See how storage pricing works and the fees that are not in the headline rate.
Full cost breakdown for this size, including what changes the price and what the first month usually looks like.
10×20 storage unit compared with nearby sizes
| Attribute | 10×20 storage unit | 10×15 storage unit | 10×25 storage unit |
|---|---|---|---|
| Floor area | 200 sq ft | 150 sq ft | 250 sq ft |
| Volume | 1,600 cu ft | 1,200 cu ft | 2,000 cu ft |
| Usable volume | 1,360 cu ft | 1,020 cu ft | 1,700 cu ft |
| Typical home | 3 bedroom house | 2 bedroom home | 4 bedroom house |
| Standard cost | $160–$310 | $125–$240 | $195–$370 |
Side-by-side breakdowns: 10x15 vs 10x20, 10x20 vs 10x30.
Limitations of this estimate
Check the door width before storing a vehicle: an 8 ft door and a wide truck is a tight, mirror-folding manoeuvre. Also confirm the facility permits vehicles — many require proof of registration and insurance.
Three things this page cannot know: the actual interior dimensions at your facility (advertised sizes are nominal and real units are often a few inches under), the door and ceiling clearance, and how well you will pack. Measure your largest item and check it against the door width before you sign anything — our measuring guide covers what to record.
How we estimate capacity
Volume is floor area × ceiling height: 10 × 20 × 8 = 1,600 cu ft. Usable volume applies a packing-efficiency factor — 85% at moderate density — and subtracts a further 15% when you need an access aisle. Item volumes come from our packed volumes for 110+ household items, which uses packed cubic feet, the same basis professional movers use on a cube sheet.
Cost ranges are aggregated from published list prices across major US operators and are reviewed twice a year. Full detail, assumptions and known error margins are on the the full method and its error margins.
Related questions
How many square feet is a 10×20 storage unit?
A 10×20 storage unit is 200 square feet of floor space (10 ft × 20 ft), which is about 1,600 cubic feet of volume with a standard 8 ft ceiling.
Is a 10×20 storage unit big enough for a 3 bedroom house?
Yes, at moderate packing density. A typical 3 bedroom house comes to about 1,168 cu ft, which fills roughly 86% of the usable space. Appliances, a garage or a home gym will push you to the next size.
How many boxes fit in a 10×20 storage unit?
About 453 medium (3 cu ft) boxes if the unit held nothing else. With furniture in there too, expect roughly a third of that.
Can I park a car in a 10×20 storage unit?
A full-size car or small boat, plus furniture. Vehicle storage also needs a drive-up unit, facility permission and proof of registration and insurance — see storage for a car.
What is the difference between a 10×20 storage unit and the next size up?
A 10×25 storage unit adds 400 cubic feet — roughly 7 bedroom sets' worth — for about $35–$60 more per month. Full comparison.