A California King Bed is a large mattress size that measures 72 inches wide by 84 inches long. It is designed to provide extra length, making it ideal for taller individuals who need more legroom while sleeping. This bed size is popular among couples who want more space to stretch out comfortably. The California King is narrower than a standard King Bed, which measures 76 inches wide by 80 inches long. This unique dimension allows it to fit better in narrower bedrooms while still offering ample sleeping space. Many bedding retailers offer sheets and accessories specifically designed for this size.