What Size Bed You Should Get: Bed and Mattress Size Guide

Many factors influence what size bed you should buy, and your choice affects both the comfort and style of your room. A bed that’s too small will leave you with too little space to comfortably change positions while you sleep, but one that’s too big can overcrowd your bedroom. 

There’s no one right answer to what size bed you really need. Instead, consider your unique situation, including room dimensions, body height, and sleeping preferences. Get a bed that’s sized to comfortably fit you (and any co-sleepers) while still leaving room for furniture and easy movement. Start with our Bed Size Chart to find standard mattress dimensions, and then explore important questions to consider when choosing what size bed is best.