Choosing the right storage unit size shouldn’t feel complicated. Whether you’re moving, renovating, downsizing, or just need some extra space, understanding standard storage unit sizes helps you avoid paying for more room than you need or worse, running out of space halfway through your move. If you’re looking for storage units near Okotoks, South Calgary, or High River, this guide will walk you through what fits in common unit sizes and how to choose the right one for your belongings. If you’d like to compare available options directly, you can always view our unit sizes and storage calculator on our website. Quick Answer: What Size Storage Unit Do You Need? Here’s a fast reference guide based on common situations: Apartment or small home (1–2 bedrooms) → 8’ x 10’ or 10’ x 10’ Contents of a 2–3 bedroom home → 10’ x 15.5’ Full household storage during a move → 10’ x 20’ Home plus business inventory or large furniture sets → 12’ x 20’ Not sure where you fit? Keep reading. We’ll break each down in more detail. Understanding Storage Unit Sizes Storage units are typically measured in square feet, length by width, similar to a bedroom or small garage. But floor space isn’t the only factor to consider. Many of our units feature 12’, 14’, and even 16’ ceilings, giving you the ability to pack, rack, and stack safely. That extra vertical space can make a meaningful difference when storing furniture, shelving, or boxed items. Instead of simply choosing a larger footprint, it often helps to think about how efficiently you can use the full height of the unit. 8’ x 10’ Storage Unit Best for: Small apartment contents Seasonal items Extra household overflow An 8’ x 10’ unit typically fits: A couch A mattress set Several boxes Small tables or dressers Bikes or sporting equipment This size works well if you’re decluttering or storing the contents of a one-bedroom apartment. With proper stacking and shelving, you can comfortably maximize the available space. 10’ x 10’ Storage Unit Best for: 1–2 bedroom apartments Partial household storage Small renovation projects A 10’ x 10’ unit can typically hold: Major appliances Bedroom