Question: what is the difference in king size and california king?
Answer: A California king mattress (also known as a Western king) measures 72 inches by 84 inches, and is identical to two twin XL mattresses put together. ... Cal king mattresses are ideal for master bedrooms measuring 12 feet by 12 feet, though a room size 12 feet by 14 feet would be better to accommodate the bed's extra length.