How to Choose the Right Storage Unit Size

Published on 2/5/2026
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How to Choose the Right Storage Unit Size

One of the most common questions we hear at ADK Storage Solutions LLC is:
“What size storage unit do I actually need?”

Choosing the correct unit size can feel overwhelming, especially if you’ve never rented storage before. Renting a unit that’s too small can leave you scrambling for more space, while renting one that’s too large means paying for room you don’t really need.

This guide will help you make the right decision the first time.


Start With What You Plan to Store

The first step in selecting a storage unit is taking inventory of your items. Ask yourself:

  • Am I storing a few boxes or an entire household?

  • Do I need space for furniture or appliances?

  • Will I be storing business inventory or equipment?

  • Do I need room to access items regularly?

Making a simple list of what you plan to store will give you a much clearer idea of how much space you’ll need.


Understanding Common Storage Unit Sizes

Here’s a helpful breakdown of typical unit sizes and what they can hold:

5x5 Unit – The Size of a Small Closet

Great for:

  • Small furniture

  • Several boxes

  • Seasonal decorations

  • Personal items

This size is ideal if you just need to clear out a little extra space at home.


5x10 Unit – A Walk-In Closet

Perfect for:

  • Studio apartment items

  • Mattress sets

  • Small furniture

  • Bikes or sports equipment

If you’re between moves or just need short-term storage, this is often a great starting point.


10x10 Unit – Half of a One-Car Garage

Holds:

  • Contents of a one-bedroom apartment

  • Furniture, appliances, and boxes

  • Business inventory

This is one of the most popular sizes because it offers flexibility without being too large.


10x15 Unit – Room to Grow

Ideal for:

  • Two-bedroom apartment contents

  • Large furniture and appliances

  • Multiple rooms of household items

A great choice if you’re moving or need longer-term storage.


10x20 Unit – A Standard One-Car Garage

Best for:

  • Three to four-bedroom homes

  • Vehicles, boats, or motorcycles

  • Large business storage needs

If you have a full house to store—or a vehicle along with household items—this is usually the right fit.


Think About How You’ll Use the Unit

It’s not just about fitting everything inside—it’s also about access.

Ask yourself:

  • Will I need to get to items frequently?

  • Do I want to leave walking space?

  • Am I storing things long-term or short-term?

If you plan to visit your unit often, it’s smart to rent slightly larger than the bare minimum so you have room to move around.


Tips for Maximizing Your Space

No matter what size unit you choose, smart packing makes a huge difference:

  • Use uniform-sized boxes when possible

  • Label everything clearly

  • Disassemble furniture to save space

  • Stack boxes safely and strategically

  • Place items you’ll need often near the front

Proper organization can sometimes mean the difference between needing a larger unit—or not.


When in Doubt, Ask the Experts

At ADK Storage Solutions, we help customers choose the right unit size every day. If you’re unsure what you need, our team is happy to walk you through the process based on what you plan to store.

We’d rather help you choose correctly from the start than see you struggle with the wrong size later.


We’re Here to Help

Finding the right storage unit doesn’t have to be complicated. With a variety of sizes, affordable pricing, and convenient 24/7 access, ADK Storage Solutions LLC makes the process easy.

If you’re ready to reserve a unit—or just have questions—contact us today. We’ll help you find the perfect fit for your storage needs.

ADK Storage Solutions LLC – The Right Space at the Right Price.