If you pushed two extra-long twin beds together, they'd be about the same size as a standard king. When buying sheets, be ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more A mattress size chart can help you pick the best mattress for your needs, depending on your room size ...

A split king is two twin XL mattresses pushed together ... easier to come by than a full. A king bed size is the widest of all the standard mattress sizes at 76x80". A king is the same length ...