King Sized Bed

Explore king-sized bed options for more room to stretch out, whether you sleep alone or with a partner. A standard king mattress measures 76 by 80 inches, so measure your bedroom, allow room for a frame and walkways, and compare comfort and support to find the right fit.

Sort & Filter

Sleepy's Signature Platform Frame

Starting at

$189⁹⁹

Sleepy's Basic Innerspring Firm Mattress

8744

Starting at

$249⁹⁹

Firm Comfort, best for

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

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2624

Starting at

$1499⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Rest Firm 2.0 Innerspring Mattress

7033

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1463

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tempur-Pedic TEMPUR-Adapt 11" Medium Previous Generation Mattress

3700

Starting at

$2029⁷⁷

$2899⁰⁰

$869 OFF

Medium Comfort, best for

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

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2806

Starting at

$1499⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3333

Starting at

$1699⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2258

Starting at

$1299⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Firm Mattress

1859

Starting at

$3099⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sealy Essentials Sudley 8.5" Firm Mattress

989

Starting at

$499⁷⁷

$999⁹⁹

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5597

Starting at

$889⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5597

Starting at

$1019⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1891

Starting at

$1499⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1842

Starting at

$1999⁹⁹

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5597

Starting at

$809⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1768

Starting at

$1099⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Original Mattress

59801

Starting at

$2199⁰⁰

Medium Comfort, best for

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

Sleepy's By Sealy Slumber Cushion Firm Mattress

307

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

549

Starting at

$1459⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn
Allergies

Beautyrest BR800 12" Plush Euro Top Mattress

758

Starting at

$1399⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Hollywood Enforce Platform Frame

306

Starting at

$399⁹⁹

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

604

Starting at

$1379⁹⁹

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1223

Starting at

$999⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 12" Plush Mattress

1164

Starting at

$1699⁹⁹

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1171

Starting at

$1249⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

A king-sized bed offers a spacious sleep surface for anyone who wants more room to stretch out or share a bed comfortably. Standard king mattress dimensions are 76 inches wide by 80 inches long, making a king 16 inches wider than a queen while keeping the same length. That extra width can give partners more personal space, especially if they have different sleep positions or tend to move throughout the night. Before choosing a king mattress, measure your bedroom and account for the full dimensions of the bed frame, headboard and other furniture. A king bed frame may extend beyond the mattress itself, so check its measurements rather than relying on mattress size alone. Leave enough clearance to walk around the bed, open drawers and reach your nightstands comfortably. Measuring doorways, stairways and hallways can also help you plan how a king-sized mattress and its supporting pieces will reach your bedroom. Choosing the right king-sized bed involves more than finding the right dimensions. Your sleep position, preferred firmness and need for pressure relief all help determine which king mattress feels comfortable and supportive. Side sleepers may prefer cushioning around the shoulders and hips, while back and stomach sleepers often benefit from a feel that helps keep the body supported without excessive sinking. If you share your bed, consider motion isolation to help reduce how much movement travels across the mattress. It is also useful to compare a standard king with other king bed sizes: a California King measures 72 inches wide by 84 inches long, trading some width for extra length, while a split king typically pairs two Twin XL mattresses to create the same overall dimensions as a standard king. Before completing your setup, confirm that your mattress, foundation or adjustable base and bed frame are compatible. Choose king bedding that matches the mattress dimensions and depth, and remember that a split king generally needs separate fitted sheets for each mattress.

What frame styles are common for a king bed? + -

Common styles include platform, upholstered, canopy and storage bed frames. Choose a design that complements your bedroom, whether you prefer a streamlined look or a more decorative centerpiece.

What is an upholstered king bed? + -

An upholstered king bed has padding and a decorative covering on the headboard, frame or both. Details such as tufting, stitching and curved edges can give it a tailored or relaxed look.

How can I style bedding on a king bed? + -

Start with sheets and a comforter or duvet, then add pillows and a folded throw for texture. Repeat a few colors across your bedding to create a coordinated look without making every layer match.

Should a king bed match the other bedroom furniture? + -

Your bed and bedroom furniture do not need to match exactly. Coordinate a few details, such as finish, color or shape, to bring the room together while giving each piece its own character.

How do I care for a king bed frame and headboard? + -

Follow the manufacturer's care instructions for each surface and finish. Include the frame and headboard in your regular cleaning routine, using only the cleaning methods recommended for those pieces.