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Mattress Size Reference Guide

An Industry Trade Association has established standards for mattress sizes that includes allowable variances. Below is a detailed explanation of these standards.

Mattress Variation Standards

The chart below outlines mattress sizes as per industry standards with acceptable variance ranges.

Finished Mattress Sizing Variations

Mattress Size	Industry Standard Dimensions (+/-1/2")	Allowable Variance (Length & Width)	Min. Width	Min. Length
Twin	38" x 74.5"	-0.5"	37.5"	74"
Twin XL	38" x 79.5"	-0.5"	37.5"	79"
Full	53" x 74.5"	-0.5"	52.5"	74"
Queen	60" x 79.5"	-0.75"	59.25"	78.75"
King	76" x 79.5"	-0.75"	75.25"	78.75"
Cal King	72" x 83.5"	-0.75"	71.25"	82.75"

All dimensions are in inches.
Finished sizes are measured from outside to outside of tape edge at the centerlines of the width and length.
The distance is measured between extreme outside edges of finished construction.

A king mattress and a California king are similar in size but differ in dimensions. A California king is narrower and longer, measuring 72" x 84", while a standard king mattress measures 76" x 80". This makes the California king ideal for taller individuals, whereas a standard king provides more width.

A California king mattress measures 72 inches wide by 84 inches long, making it an excellent choice for taller sleepers who need extra legroom without sacrificing comfort. Its elongated shape is perfect for those seeking additional length compared to a standard king mattress.

At Rooms To Go, we offer a variety of California king mattress options to cater to different comfort preferences. You can choose from soft mattresses for plush comfort, firm mattresses for added support, or medium firm mattresses for a balanced feel. Additionally, a split California king mattress offers individual adjustability on each side, ensuring personalized comfort for both sleepers.

For a California king mattress, you'll need a California king bed frame specifically designed for its unique dimensions. These frames provide the proper support and fit to keep your mattress secure and stable. If you're looking for added functionality and comfort, adjustable bases are also a great option. These bases allow for customizable positions, enhancing sleep quality and comfort for activities like reading or watching TV in bed.

A California king mattress typically requires a room with dimensions of at least 12 feet by 14 feet. This size ensures that you not only have adequate space for the bed itself but also enough room to include essential bedroom furniture like a dresser, nightstands, or seating. Proper spacing around the bed is important for movement, creating a balanced layout, and ensuring the room feels open and inviting.

No, king-sized sheets do not fit a California king bed because the mattress dimensions are different. California king sheets are designed to accommodate extra length and narrower width. Rooms To Go sells a variety of California king sheets, along with high-quality mattress protectors. These protectors are available in various sizes, including California king, to help extend the life of your mattress and keep it clean and fresh.

Yes, Rooms To Go offers flexible financing options to make purchasing a California king mattress more affordable. Our mattress financing options include low monthly payments and special promotions to fit your budget. Additionally, check out our current sales for exclusive deals and discounts, ensuring you get the best value for your investment.

California king beds are ideal for taller individuals who need additional legroom that standard King mattresses cannot provide. They are also recommended for couples who prefer a spacious sleeping surface without compromising on length. If you have a large bedroom, a California king can create a luxurious, well-proportioned look. Families with pets who share the bed might also find the extra length beneficial for accommodating everyone comfortably.

Mattress Size Reference Guide

An Industry Trade Association has established standards for mattress sizes that includes allowable variances. Below is a detailed explanation of these standards.

Mattress Variation Standards

The chart below outlines mattress sizes as per industry standards with acceptable variance ranges.

Finished Mattress Sizing Variations

Mattress Size	Industry Standard Dimensions (+/-1/2")	Allowable Variance (Length & Width)	Min. Width	Min. Length
Twin	38" x 74.5"	-0.5"	37.5"	74"
Twin XL	38" x 79.5"	-0.5"	37.5"	79"
Full	53" x 74.5"	-0.5"	52.5"	74"
Queen	60" x 79.5"	-0.75"	59.25"	78.75"
King	76" x 79.5"	-0.75"	75.25"	78.75"
Cal King	72" x 83.5"	-0.75"	71.25"	82.75"

All dimensions are in inches.
Finished sizes are measured from outside to outside of tape edge at the centerlines of the width and length.
The distance is measured between extreme outside edges of finished construction.

California King Mattresses

California King Mattresses

stearns and foster

Stearns & Foster Lux Hybrid Elite Medium California King Mattress

casper

Casper Cloud One California King Mattress (4.3)

stearns and foster

Stearns and Foster Estate Extra Firm Tight Top California King Mattress

stearns and foster

Stearns and Foster Lux Estate Extra Firm Tight Top California King Mattress

casper

Casper Onyx 2.0 California King Mattress (3.4)

casper

Casper Dream Max California King Mattress (4.3)

posturepedic

Sealy Posturepedic Brierwood California King Mattress (4.4)

beautyrest world class

Beautyrest World Class Level Four Plush Pillow Top California King Mattress

posturepedic pro

Sealy Posturepedic Pebblebrook California King Mattress

posturepedic plus

Sealy Posturepedic Castle Rock California King Mattress

tuft & needle stitch

Tuft & Needle Stitch TN9.1 California King Mattress

tuft & needle stitch

Tuft & Needle Stitch TN3.1 California King Mattress (3.8)

beautyrest black

Beautyrest Black Series Three Medium California King Mattress (4.7)

beautyrest black

Beautyrest Black Series Three Firm California King Mattress (4.7)

beautyrest black

Beautyrest Black Series Three Extra Firm California King Mattress (4.4)

beautyrest black

Beautyrest Black Series One Medium Pillow Top California King Mattress (4.7)

beautyrest black

Beautyrest Black Series One Firm Pillow Top California King Mattress (4.6)

beautyrest black

Beautyrest Black Series Two Medium California King Mattress (4.6)

stearns and foster

Stearns and Foster Reserve Duet California King Mattress (4.8)

stearns and foster

Stearns and Foster Reserve Firm Pillow Top California King Mattress

beautyrest world class

Beautyrest World Class Level Three Plush California King Mattress (4.3)

tempur-pedic

Tempur-Pedic ProBreeze 2.0 Medium California King Mattress (4.4)

beautysleep

Beauty Sleep Oceana Mist Medium Hybrid California King Mattress (4.7)

casper

Casper Snow Max California King Mattress (4.4)

Mattress Size Reference Guide

Mattress Variation Standards

Frequently Asked Questions About California King Mattresses

Mattress Size Reference Guide

Mattress Variation Standards

Frequently Asked Questions About California King Mattresses

Casper Cloud One California King Mattress
(4.3
)

Casper Onyx 2.0 California King Mattress
(3.4
)

Casper Dream Max California King Mattress
(4.3
)

Sealy Posturepedic Brierwood California King Mattress
(4.4
)

Tuft & Needle Stitch TN3.1 California King Mattress
(3.8
)

Beautyrest Black Series Three Medium California King Mattress
(4.7
)

Beautyrest Black Series Three Firm California King Mattress
(4.7
)

Beautyrest Black Series Three Extra Firm California King Mattress
(4.4
)

Beautyrest Black Series One Medium Pillow Top California King Mattress
(4.7
)

Beautyrest Black Series One Firm Pillow Top California King Mattress
(4.6
)

Beautyrest Black Series Two Medium California King Mattress
(4.6
)

Stearns and Foster Reserve Duet California King Mattress
(4.8
)

Beautyrest World Class Level Three Plush California King Mattress
(4.3
)

Tempur-Pedic ProBreeze 2.0 Medium California King Mattress
(4.4
)

Beauty Sleep Oceana Mist Medium Hybrid California King Mattress
(4.7
)

Casper Snow Max California King Mattress
(4.4
)