Choosing the right storage unit size can feel overwhelming, especially if you’ve never rented one before. With so many unit dimensions, layouts, and facility options available, it’s easy to overestimate or underestimate how much space you actually need. Selecting the correct size is essential—not just for convenience, but also for cost control and long-term flexibility. This guide breaks down the key factors, practical estimation methods, and common mistakes to help you make a confident decision when planning a storage rental. What Factors Should Influence Your Storage Unit Size Choice? The first step in choosing the right storage unit is understanding exactly…