California King Mattresses

Approx. Dimensions: 72” X 83.5” (width x height) / 6,012 sq in / 41.7 sq ft

A Cal King size mattress is the longest offering at around 83.5 inches. Both a King size bed and Queen size bed are approximately 79.5 inches long. A Cal king is about 12” wider than a Queen and 4” narrower than a King.

Want to learn more about the different sizes we offer, check out our mattress size guide.

Cal Kings are longer and narrower. The measurements of a regular King are approximately 76 inches in width and 79.5 inches in length. The measurements of a California King are a bit longer and not as wide, the dimensions are approximately 72 inches wide by 83.5 inches long.

King Size Dimensions: 76″ Wide x 79.5″ Long

California King Size Dimensions: 72″ Wide x 83.5″ Long

Read more about the King vs California King differences, here.

A quality Cal King can range anywhere on average from $950 to $5,000. It all depends on the materials used to construct the bed as well as the benefits it offers.

It really comes down to your own personal shopping preference. Some people were born in the age of the internet and online shopping is what they know and are more comfortable with, while others prefer being in-person to shop so they can touch, feel and see the exact product they are investing in. So, there is no right or wrong way to shop for a new bed.

Click here to find a Serta store near you.

Serta’s innerspring, memory foam, mattress-in-a-box, and hybrid mattresses are all available in California King. Also, most have different cooling and firmness level options to choose from. So no matter your sleep preference and preferred sleeping position (back, stomach and side sleepers, Serta has a model you’ll fall in love with.

The short answer, no. All you technically need is a hard, flat surface to provide the proper support. Some bed frames however may require them. Read more, here.

Because a Cal King is longer and narrower than a King, fitted King sheets don’t fit properly on a Cal King. However, king-size flat sheets, comforters, and bedspreads can usually be swapped between a standard King and Cal King.

We only ship within the contiguous United States (lower 48 states) through our website. Unfortunately, shipping to Alaska or Hawaii is not available at this time.

Financing is available directly through our website. We have partnered with Affirm to offer financing or pay-over-time options for our customers. At checkout, you will be given the option to pay through Affirm. If approved, you will be given loan options for 3, 6, or 12 months. All interest is provided up front, there are no hidden fees, and only a soft credit check is done through Affirm's system for approval. After you've confirmed your choice, you will be redirected back to our website to complete checkout.

Affirm only requests a soft credit check for approval, so the credit inquiry won’t affect your credit score. Once you've selected your financing term, you will be redirected back to the website to complete your purchase.

For returns and cancellations, refunds will be processed through Affirm and posted to your Affirm account. Refunds will be processed within 3-10 business days. Keep in mind the interest charge will not be refunded.

Please note that financing through Affirm is not available in West Virginia and Iowa.