California King Mattress Size. The two king mattress types are quite different in their proportions. An ideal room to accommodate a california king size mattress is 13 by 19 feet.

An ideal room to accommodate a california king size mattress is 13 by 19 feet. The california king dimensions 72 inches wide 84 inches long are best suited for taller people or for narrow bedrooms where their more slim profile will fit in better aesthetically. You need to ensure that your room does not cooped up by placing this mattress.
Consider your shifting activities.
Four inches thinner than a king mattress california king mattresses add those four inches to the length making this the longest mattress style available perfect. The standard king is shaped like a square while the california king is a long narrow rectangle. A bed frame that fits one size would definitely not fit the other. The two king mattress types are quite different in their proportions.