Allow us to state the obvious ... King A California king may be slightly longer, but king mattresses are the widest standard size, and your room should be at least 116 inches (9 ½ feet) by ...

What about European mattress sizes? European mattress sizes are different to both UK and US sizes, although they're closest ...

Based on five years of professional mattress testing, I've outlined the six standard sizes in our mattress size chart below and recommend the best use cases. I've also covered 10 less common ...