King Bed Specs

King Bed Specs provide essential details to help you find the perfect fit for your bedroom and sleep preferences. Understanding the dimensions and specifications of a king bed ensures you make an informed choice, whether you're upgrading your sleep space or furnishing a new home. Explore King Bed Specs to discover the key measurements and information you need to create a comfortable, spacious retreat.

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Sleepy's Basic Adjustable Base

Starting at

$500⁹⁹

FREE with select mattress purchase³.

Sleepy's Basic Memory Foam Firm Mattress

2701

Starting at

$300⁷⁷

$1000⁹⁹

$700 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Support
Temperature

Sleepy's Signature Platform Frame

Starting at

$190⁹⁹

Sleepy's Basic Innerspring Firm Mattress

8308

Starting at

$300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Allergies;Toss and Turn

Sleepy's By Sealy Medium Euro Top Mattress

3666

Starting at

$600⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn;Toss and Turn
Temperature
Bed Partner

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Beautyrest Greenwood 10.5" Firm Mattress

3331

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Toss and Turn;Temperature;Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2564

Starting at

$1500⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

725

Starting at

$2699⁰⁰

Calm app 3-month free trial with mattress purchase & registration

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3046

Starting at

$1700⁹⁹

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

2057

Starting at

$1300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sealy Essentials Sudley 8.5" Firm Mattress

961

Starting at

$1000⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Temperature;Bed Partner;Toss and Turn

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$890⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$1020⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1715

Starting at

$1500⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5265

Starting at

$810⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1614

Starting at

$1000⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies;Bed Partner;Temperature;Pain;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple Original Mattress

29991

Starting at

$1999⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Temperature
Allergies

Sleepy's By Sealy Slumber Cushion Firm Mattress

247

Starting at

$2000⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Toss and Turn;Pain;Temperature
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 12" Plush Euro Top Mattress

645

Starting at

$1400⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Bedgear StretchWick Mattress Protector

104

Starting at

$120⁹⁹

Temperature;Pain;Bed Partner;Allergies;Toss and Turn
Temperature

Sleepy's By Sealy Slumber Medium Mattress

131

Starting at

$2300⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Toss and Turn;Pain;Temperature
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

596

Starting at

$1380⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Allergies
Temperature

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5268

Starting at

$730⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 12" Plush Mattress

973

Starting at

$1700⁹⁹

Plush Comfort, best for

Side Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Upholstered Platform Bed Frame

Starting at

$280⁹⁹

Tulo 12" Medium Firm Cooling Hybrid Mattress

140

Starting at

$1450⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

King Bed Specs

A king bed is often the centerpiece of a bedroom, offering a generous expanse of space that transforms sleep into a luxurious experience. Measuring approximately 76 inches wide by 80 inches long, the standard king bed provides the widest sleeping surface among standard mattress sizes—making it a favorite for couples who appreciate personal space, families who enjoy weekend snuggles with children or pets, and single sleepers who simply crave extra room to stretch out. Whether you're outfitting a master suite or upgrading your guest room, the king bed's ample dimensions allow for freedom of movement and comfort through every season. As the weather cools in October and the nights grow longer, the allure of a spacious bed becomes even more appealing, inviting you to layer on plush blankets and cozy comforters without feeling confined. The generous area—over 6,000 square inches—means you can easily accommodate a variety of bedding styles, from crisp cotton sheets in the summer to rich flannel in the fall, ensuring a restful environment tailored to your preferences.

When considering a king bed, it's important to think about the size of your room to ensure a balanced layout. Experts recommend a minimum room size of 10 feet by 12 feet to comfortably fit a king bed and allow for easy movement around the bed frame. This extra space is especially valuable if you enjoy reading or watching TV in bed, or if you share your bed with a partner, children, or pets. For taller individuals, the California king—measuring 72 inches wide by 84 inches long—offers additional length while sacrificing a bit of width, catering to those who need extra legroom without overwhelming the room's footprint. Regardless of the specific king size you choose, pairing your mattress with a sturdy foundation is essential for both support and longevity. A reliable King Bed Steel Frame is designed to handle the substantial weight and size of a king mattress, ensuring stability and peace of mind night after night. This is particularly important if you plan to upgrade your mattress or add a heavier bedding ensemble as the seasons change.

King beds also make thoughtful and lasting gifts for newlyweds, new homeowners, or loved ones celebrating a significant milestone, offering the promise of comfort and relaxation for years to come. The versatility of a king bed means it can easily adapt to evolving needs—whether it's accommodating a growing family, providing a retreat after a long day, or simply serving as a haven for restful sleep. As autumn settles in and the demands of daily life intensify, the value of a spacious, supportive bed becomes even more pronounced. Imagine curling up under a warm comforter, with enough space for your favorite book and a cup of tea on the nightstand, while your partner enjoys their own side undisturbed. Investing in the right king bed setup, from the mattress and frame to the bedding, can transform your nightly routine into a restorative ritual, setting the stage for better sleep and brighter mornings.