How accurate is the size recommendation?

The recommendation is a practical estimate based on average item dimensions and standard packing practices. Actual space needed varies by how items are stacked and arranged. When in doubt, size up — a slightly larger unit is cheaper than a second rental.

What fits in a 5x5 storage unit?

A 5x5 unit (25 sq ft, ~200 cu ft) fits the contents of a large closet: boxes, small furniture, seasonal items, sports equipment, or a mattress set.

What fits in a 10x10 storage unit?

A 10x10 unit (100 sq ft, ~800 cu ft) comfortably holds the furnishings of a one-bedroom apartment — sofa, bed, dresser, dining set, and about 20–30 boxes.

What fits in a 10x20 storage unit?

A 10x20 unit (200 sq ft, ~1,600 cu ft) fits the contents of a 2–3 bedroom home, including large appliances. It can also hold a small vehicle.

Should I add a buffer to the recommendation?

Yes. The tool targets about 80% fill efficiency — standard for stacked, organized storage. If you are not a precise packer, consider the next size up for easier access.

Are climate-controlled units different sizes?

The sizes are the same. Climate-controlled units are available in the same dimensions (5x5 through 10x30) but cost more per month. This tool helps you pick the right size regardless of climate control.

Storage Unit Size Finder

Name: Storage Unit Size Finder
Availability: InStock
Author: Nham Vu

Add the items you need to store and get an instant recommendation for the right storage unit size.

Add Items to Store

Recommended Unit

Add items on the left to get a size recommendation.

Unit Size Reference

Size	Sq ft	Best for

Done!

Summary

Add the items you need to store and get an instant recommendation for the right storage unit size.

How it works

Select an item category from the dropdown (Furniture, Appliances, Boxes, etc.).
Choose the specific item and enter the quantity.
Click "Add Item" to add it to your list.
Repeat for every item you plan to store.
The tool calculates total cubic footage and recommends the best unit size.
Review the unit dimensions and typical use cases before booking.

Use cases

Figure out the right storage unit before a home renovation.
Determine unit size when moving between homes with a gap in dates.
Decide how much space seasonal gear, furniture, or appliances will occupy.
Compare unit sizes to choose the most cost-effective option.
Avoid renting a unit that is too small and having to upgrade mid-rental.
Plan a business storage rental for inventory or equipment.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu