A king size mattress is approximately 76" wide and 80" long, but dimensions can vary depending on manufacturer and style. A California king mattress is about 72" wide and 84" long. The two are also known as Eastern and W... More »

www.reference.com Home & Garden Furniture Beds & Mattresses

The standard size of a California king mattress is 72 inches in width by 84 inches in length. It is 4 inches narrower and 4 inches longer than a typical standard king mattress. More »

www.reference.com Home & Garden Furniture Beds & Mattresses

A king-size mattress comfortably accommodates two adults, according to the Better Sleep Council. This type of mattress also provides sufficient room for children and pets that may want to share the bed, notes The Bedding... More »

A standard king size mattress is 76 inches wide and 80 inches long, giving sleep partners 38 inches of horizontal space. A California king size mattress takes up the same surface area, but it is 72 inches wide and 84 inc... More »

www.reference.com Home & Garden Furniture Beds & Mattresses

The dimensions of a California King mattress are 72 inches wide by 83.5 inches long, according to a size chart provided by Serta. Many bedding charts list the California King mattress as 72 by 84 inches in length, includ... More »

www.reference.com Home & Garden Furniture Beds & Mattresses

A California king mattress is 4 inches longer and4 inches narrower than a standard king size mattress. California kings require different sized sheets than standard kings. More »

www.reference.com Home & Garden Furniture Beds & Mattresses

A California king size mattress is 72 inches wide by 84 inches long, and a regular king size mattress is 76 inches wide by 80 inches long. The California king is not as wide as the regular king, but it is the longest mat... More »