Renters Guide

Picking self storage in Waco, TX is easy once you match the unit size to what you're actually storing, and this guide walks you through it step by step. Most people don't rent a storage unit very often, so it's normal to feel unsure about how much space you'll need. Rent a size too small and you're stacking boxes to the ceiling and squeezing past furniture. Rent one too big and you're paying for empty air. The good news is that sizing a unit isn't complicated. Once you know what you're storing and how you want to reach it, the right size becomes pretty obvious. At Downtown Storage in Waco, we help people figure this out every week. This guide breaks down the common unit sizes, gives you real-world examples of what fits in each, and shares a few simple tricks to get the size right the first time.
How Storage Unit Sizes Work
Storage units are measured in feet, width by length, just like a room in your house. A 10x10 unit is ten feet wide and ten feet deep, which gives you 100 square feet of floor space. Ceilings are usually tall, often eight feet or more, so you also get a lot of vertical room to stack boxes and totes. That vertical space matters more than people expect. When you stack smartly, a smaller unit often holds more than it looks like it should from the doorway. We'll come back to that later. A quick note on how we do things here. Every unit at Downtown Storage is climate-controlled and sits on the ground floor, so you're not sizing around stairs, elevators, or a second-story hallway. You back up, you walk in, and you load. That makes the whole sizing question simpler because you're only thinking about what fits, not how you'll haul it upstairs.
The Common Storage Unit Sizes, Explained
Here's a plain-English look at the sizes most renters choose and what typically fits in each. Think of these as ...
—
August 24th, 2026