Storage unit sizes

Storage units are sold by floor size in feet. Storage Rentals of America lists them from a 5x5 of 25 square feet to a 10x30 of 300 square feet. A 10x10 is 100 square feet, which Public Storage matches to "2 Bedrooms". Every size below is drawn on the same scale, one square per square foot.

5x5 about $16 a month
5x10 about $27 a month
5x15 about $37 a month
10x10 about $51 a month
10x15 about $67 a month
10x20 about $92 a month
10x25 about $111 a month
10x30 about $126 a month

Storage unit sizes chart

Typical prices are the median online rates at Storage Rentals of America facilities on November 5, 2026.

Size	What it holds	Price a month
5x5 25 sq ft, 200 cu ft	Public Storage (25 sq ft): “Storage Closet” Storage Rentals of America (25 sq ft): “Equivalent to a regular closet.”	$16
5x10 50 sq ft, 400 cu ft	Public Storage (50 sq ft): “Studio Apartment” Storage Rentals of America (50 sq ft): “Equivalent to a walk in closet.”	$27
5x15 75 sq ft, 600 cu ft	Public Storage (75 sq ft): “1 Bedroom”	$37
10x10 100 sq ft, 800 cu ft	Public Storage (100 sq ft): “2 Bedrooms”	$51
10x15 150 sq ft, 1,200 cu ft	Public Storage (150 sq ft): “2 Bedroom home”	$67
10x20 200 sq ft, 1,600 cu ft	Public Storage (200 sq ft): “3 Bedroom home”	$92
10x25 250 sq ft, 2,000 cu ft	Public Storage (250 sq ft): “4 Bedroom home” Storage Rentals of America (250 sq ft): “Equivalent to storing a four bedroom house or a midsize car.”	$111
10x30 300 sq ft	Not in Public Storage's size guide	$126

How big is a 10x10 storage unit?

A 10x10 storage unit is 10 feet wide and 10 feet deep, 100 square feet of floor. Public Storage lists it at 800 cubic feet and matches it to "2 Bedrooms". At Storage Rentals of America it typically cost $51 a month online on November 5, 2026.

Which storage unit size do you need?

Sizes are approximate and may vary by facility, as Public Storage notes. To match a size to your home, use the storage unit size calculator; for prices by size, see how much a storage unit costs.