How to Choose the Right Storage Unit Size for Your Needs

Published on 1/18/2026
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One of the most common questions people have when renting self storage is: What size storage unit do I need? Choosing the right unit size can save you money, reduce stress, and make accessing your belongings much easier. Renting a unit that’s too small leads to overcrowding, while renting one that’s too large means paying for unused space.

Understanding storage unit sizes and how to match them to your needs helps ensure a smooth and efficient storage experience.

If you’re unsure which unit size is right for you, TGI Storage Fort Morgan offers a variety of unit sizes and expert guidance. Call (970) 867-0321 to get help choosing the perfect fit.


Why Storage Unit Size Matters

Selecting the correct unit size helps you:

  • Avoid overpaying for unused space

  • Keep items accessible and organized

  • Prevent damage from overcrowding

  • Load and unload more efficiently

Planning ahead ensures your storage unit works for you—not against you.


Common Storage Unit Sizes and What They Fit

5x5 Storage Unit

Best for:

  • Boxes and bins

  • Seasonal décor

  • Small furniture pieces

  • Personal items

Comparable to a small closet.


5x10 Storage Unit

Best for:

  • Studio apartment contents

  • Mattress and bed frame

  • Small appliances

  • Bikes

Ideal for minimal storage needs.


10x10 Storage Unit

Best for:

  • One- to two-bedroom apartments

  • Couches and dressers

  • Dining sets

  • Boxes and totes

This is one of the most popular storage sizes.


10x15 Storage Unit

Best for:

  • Two- to three-bedroom homes

  • Large furniture

  • Appliances

  • Garage overflow

Offers more room for bulky items.


10x20 Storage Unit

Best for:

  • Three- to four-bedroom homes

  • Entire household storage

  • Vehicles or trailers

Comparable to a one-car garage.


How to Estimate Your Storage Needs

Before choosing a unit, consider:

  • How many rooms you’re storing

  • Furniture size and quantity

  • Whether items can be stacked

  • If you’ll need access while in storage

Creating a simple inventory list helps determine the right size.


Plan for Accessibility and Organization

If you plan to access your items regularly, don’t pack the unit wall-to-wall. Leave a walkway and store frequently needed items near the front.

Proper spacing prevents damage and makes retrieval easier.


When to Size Up

You may need a larger unit if:

  • You plan to add items later

  • You’re storing large furniture or appliances

  • You want extra space for organization

Sizing up slightly can prevent repacking later.


Get Expert Help Choosing the Right Unit

Choosing the right storage size doesn’t have to be confusing. Storage professionals can help you select a unit that fits your needs and budget.

At TGI Storage Fort Morgan, customers receive personalized assistance to ensure they rent the right unit the first time. Call (970) 867-0321 to discuss your storage needs and find the ideal unit size.


Final Thoughts

The right storage unit size makes storing easier, safer, and more cost-effective. By understanding unit dimensions and planning ahead, you can avoid common storage mistakes and enjoy a stress-free experience.

Self storage works best when it fits your belongings—and your lifestyle.