Not sure what size storage unit you need? Estimate a practical starting self-storage size from the amount of household contents you plan to store, compare a roomier option, and check common 5×5 to 10×30 dimensions before you rent.
Choose the household profile that best matches the amount you are storing. Results update automatically.
Planning estimate, not a guaranteed fit: Storage needs vary with the amount and shape of your belongings, safe stacking, door and hallway dimensions, unit layout and how much access space you want. Confirm the actual unit dimensions and facility availability before renting.
What size storage unit do you need? As a quick planning reference, FigureNorth uses 5×5 for closet or seasonal storage, 5×10 for studio contents, 5×15 for one-bedroom contents, 10×10 for two-bedroom contents, 10×20 for three-bedroom contents, 10×25 for four-bedroom contents, and 10×30 as the largest V1 comparison for five-plus-bedroom contents. Each result also shows a roomier option when one is available; none of these sizes is a guaranteed fit.
The result is a benchmark built from common North American self-storage size guides. A profile such as “2-bedroom contents” means the amount of belongings being stored, not the square footage of the residence.
The starting size is not a guaranteed minimum. The roomier option is there because households with the same bedroom count can own very different amounts of furniture, boxes and oversized items.
Use this storage unit size chart to compare common dimensions, square feet and nominal cubic volume. The eight sizes below run from 5×5 to 10×30; cubic values assume a nominal 8 ft ceiling and are for geometric comparison only.
| Unit | Floor area | Metric dimensions | Metric area | Nominal volume |
|---|---|---|---|---|
| 5 × 5 ft | 25 sq ft | 1.52 × 1.52 m | 2.32 m² | 200 cu ft / 5.66 m³ |
| 5 × 10 ft | 50 sq ft | 1.52 × 3.05 m | 4.65 m² | 400 cu ft / 11.33 m³ |
| 5 × 15 ft | 75 sq ft | 1.52 × 4.57 m | 6.97 m² | 600 cu ft / 16.99 m³ |
| 10 × 10 ft | 100 sq ft | 3.05 × 3.05 m | 9.29 m² | 800 cu ft / 22.65 m³ |
| 10 × 15 ft | 150 sq ft | 3.05 × 4.57 m | 13.94 m² | 1,200 cu ft / 33.98 m³ |
| 10 × 20 ft | 200 sq ft | 3.05 × 6.1 m | 18.58 m² | 1,600 cu ft / 45.31 m³ |
| 10 × 25 ft | 250 sq ft | 3.05 × 7.62 m | 23.23 m² | 2,000 cu ft / 56.63 m³ |
| 10 × 30 ft | 300 sq ft | 3.05 × 9.14 m | 27.87 m² | 2,400 cu ft / 67.96 m³ |
Common planning references in this calculator are 5×10 for studio contents, 5×15 for one-bedroom, 10×10 for two-bedroom, 10×20 for three-bedroom, 10×25 for four-bedroom, and 10×30 as the V1 ceiling for five-plus-bedroom contents. Actual inventory and interior dimensions vary by facility, and equal floor area can be offered in different width-and-length combinations that matter for long items.
FigureNorth's self-storage size calculator uses a fixed profile-to-size comparison table and derives every displayed dimension, square-foot value and nominal cubic-foot value from the listed width and length. No packing-efficiency percentage, aisle allowance or hidden volume multiplier is used.
Floor area
width × length
Nominal volume
floor area × 8 ft
Metric conversion
exact international foot conversion
A 10×10 storage unit measures 100 sq ft and is the starting reference for typical two-bedroom contents in this calculator. The roomier comparison is 10×15 ft. If you have oversized furniture or want a walkway for regular access, compare the 10×15 option rather than assuming every two-bedroom household fits the same space.
For typical four-bedroom contents, the calculator shows 10×25 ft as the starting reference and 10×30 ft as the roomier comparison. This 10×25 vs 10×30 range is deliberate: furniture volume, box count, bulky items and access needs can make two four-bedroom households require different amounts of storage space.
Results lead with familiar foot-based unit labels, square feet and cubic feet, while also showing metric equivalents for comparison.
Results keep the common foot-based unit name because Canadian storage facilities often use it, while leading supporting measurements with metres, square metres and cubic metres.
Supplier guides are market references, not independent guaranteed-fit standards. FigureNorth therefore presents transparent starting and roomier comparisons instead of claiming a universal minimum size.
As a quick planning reference, FigureNorth uses 5×5 for closet or seasonal storage, 5×10 for studio contents, 5×15 for one-bedroom contents, 10×10 for two-bedroom contents, 10×20 for three-bedroom contents, 10×25 for four-bedroom contents, and 10×30 as the largest V1 comparison for five-plus-bedroom contents. Always compare the roomier option and confirm the actual unit before renting.
This calculator uses 5×15 ft as the starting reference for typical one-bedroom contents and 10×10 ft as the roomier comparison. A household with bulky furniture, many boxes or frequent-access needs may prefer the larger option.
FigureNorth uses 10×10 ft as the starting reference and 10×15 ft as the roomier comparison for typical two-bedroom contents. This is a planning benchmark, not a guaranteed minimum size.
The calculator uses 10×20 ft as the starting reference and 10×25 ft as the roomier comparison for typical three-bedroom contents.
FigureNorth shows 10×25 ft as the starting reference and 10×30 ft as the roomier comparison. The range is intentional because four-bedroom households can vary greatly in furniture, boxes and oversized items.
A 5×10 unit has 50 square feet of floor area. With the calculator's nominal 8-foot height assumption, that equals 400 cubic feet of geometric volume. FigureNorth uses 5×10 as the starting reference for studio contents.
A 10×10 unit has 100 square feet of floor area and a nominal 800 cubic feet at an assumed 8-foot height. In this calculator it is the roomier comparison for one-bedroom contents and the starting reference for two-bedroom contents.
A 10×20 unit provides 200 square feet of floor area and a nominal 1,600 cubic feet at an assumed 8-foot height. FigureNorth uses it as the starting reference for typical three-bedroom contents.
A 5×10 unit has 50 square feet of floor area, while a 10×10 has 100 square feet—twice as much floor space. FigureNorth uses 5×10 as a studio starting reference and 10×10 as a two-bedroom starting reference, with one-bedroom contents falling between 5×15 and 10×10 in this planning model.
No. In this calculator, 10×30 ft is the largest V1 comparison size, not a promise that it will hold all five-plus-bedroom contents. Large households may need a larger facility-specific unit or more than one unit.
