King vs California King Size Mattresses

What is the difference between a standard king vs. California king?

The main difference between these two sizes is the length and width. A standard king (also sometimes known as an Eastern King) is shorter and wider, measuring 76 inches across and 80 inches long. So, what is a California King? Well, the Cal King is narrower and longer than a standard King, measuring 72 inches wide by 84 inches long.

king size california king size

While every mattress is made in a king-size, not every mattress is available in a California king size. Additionally, the standard king has more options for bedding accessories. Things like box springs, sheets, adjustable bases, and comforters.

Which size is best for you?

Height and Body Type

The California king bed is the longest of the standard mattress sizes. It's intended for tall people who want to ensure their feet don’t hang off the bed. If you’re over 6' 2", then you’ll probably want the California king size for the extra length.

Shop California King Size Mattresses

Your Lifestyle

The regular king-size bed is the widest of the standard mattress sizes. It gives you extra shoulder room to sleep comfortably with your partner. The extra width of a king mattress would give you all the space you need. People who have kids or pets joining them in bed may also find the wider size preferable.

Shop King Size Mattresses

Room Size

It’s important to choose a bed that fits your space. It’s a good idea to get a measuring tape out and check how much space the mattress would take up in your bedroom. Don’t forget to check the route into your bedroom to make sure you’ll be able to fit the bed through!

Let us help you shop

Can’t decide? Still have questions? Feel free to give us a call at 1-800-455-1052 to speak to our team of experts.

Here's a collection of our top-rated King and Cal King Mattresses

Showing 1-36 of 122 results

Page
per page
Set Ascending Direction
  1. Presidential Suite II Pillow Top Mattress Corner
    Extra Savings Today Only!
    King Serta Perfect Sleeper Hotel Presidential Suite II Euro Pillow Top Double Sided 14.25 Inch Mattress
    Rating:
    94%

    From $1,369.00

    To $1,836.00

    Reg: $1,719.00 You save $350.00!
    Comfort Scale - 7
  2. King Simmons Beautyrest Platinum Phillipsburg III Extra Firm 13.5 Inch Mattress
    Save 35%!
    King Simmons Beautyrest Platinum Phillipsburg III Extra Firm 13.5 Inch Mattress
    Rating:
    96%

    From $1,169.00

    To $4,246.00

    Reg: $1,799.00 You save $630.00!
    Comfort Scale - 1
  3. King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Pillow Top Double Sided 14.25 Inch Mattress
    Extra Savings Today Only!
    King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Pillow Top Double Sided 14.25 Inch Mattress
    Rating:
    92%

    From $1,349.00

    To $1,816.00

    Reg: $1,679.00 You save $330.00!
    Comfort Scale - 6
  4. King Simmons Beautyrest Silver Lydia Manor 4 Extra Firm 13.75 Inch Mattress
    Holiday Sale!
    King Simmons Beautyrest Silver Lydia Manor 4 Extra Firm 13.75 Inch Mattress
    Rating:
    94%

    From $999.00

    To $3,876.00

    Reg: $1,099.00 You save $100.00!
    Comfort Scale - 1
  5. King Sealy Posturepedic Response Performance Cooper Mountain IV Plush 12.5 Inch Mattress
    FREE Gift Bundle!
    King Sealy Posturepedic Response Performance Cooper Mountain IV Plush 12.5 Inch Mattress
    Rating:
    92%

    From $999.00

    To $4,676.00

    Reg: $2,199.00 You save $1,200.00!
    Comfort Scale - 6
  6. King Simmons Beautyrest Silver Kenosha Place 4 Plush 12 Inch Mattress
    20% Off!
    King Simmons Beautyrest Silver Kenosha Place 4 Plush 12 Inch Mattress
    Rating:
    92%

    From $689.00

    To $3,566.00

    Reg: $979.00 You save $290.00!
    Comfort Scale - 5
  7. King Simmons Beautyrest Silver Adda 4 Medium Firm 11.75 Inch Mattress
    Holiday Sale!
    King Simmons Beautyrest Silver Adda 4 Medium Firm 11.75 Inch Mattress
    Rating:
    92%

    From $629.00

    To $3,506.00

    Reg: $899.00 You save $270.00!
    Comfort Scale - 4
  8. King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Double Sided 14 Inch Mattress
    Extra Savings Today Only!
    King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Double Sided 14 Inch Mattress
    Rating:
    94%

    From $1,369.00

    To $1,836.00

    Reg: $1,719.00 You save $350.00!
    Comfort Scale - 5
  9. King Tempurpedic Tempur Luxe Breeze Soft 13.2 Inch Mattress + FREE $300 Visa Gift Card
    Save $500 + $300 Visa Card!
    King Tempurpedic Tempur Luxe Breeze Soft 13.2 Inch Mattress + FREE $300 Visa Gift Card
    Rating:
    96%

    From $4,899.00

    To $8,576.00

    Reg: $5,399.00 You save $500.00!
    Comfort Scale - 6
  10. King Simmons Beautyrest Silver Kenosha Place 4 Medium 12 Inch Mattress
    20% Off!
    King Simmons Beautyrest Silver Kenosha Place 4 Medium 12 Inch Mattress
    Rating:
    94%

    From $779.00

    To $3,656.00

    Reg: $979.00 You save $200.00!
    Comfort Scale - 3
  11. King Serta iComfort Hybrid Blue Fusion 300 Plush Pillow Top 14 Inch Mattress
    Closeout! Save $400!
    King Serta iComfort Hybrid Blue Fusion 300 Plush Pillow Top 14 Inch Mattress
    Rating:
    96%

    From $1,699.00

    To $4,176.00

    Reg: $1,999.00 You save $300.00!
    Comfort Scale - 7.5
  12. King Serta iComfort Hybrid Blue Fusion 200 Plush 13.5 Inch Mattress
    Closeout! Save $300!
    King Serta iComfort Hybrid Blue Fusion 200 Plush 13.5 Inch Mattress
    Rating:
    96%

    From $1,499.00

    To $3,976.00

    Reg: $1,799.00 You save $300.00!
    Comfort Scale - 6.5
  13. King Simmons Beautyrest Silver Lydia Manor 4 Plush Pillow Top 16 Inch Mattress
    Holiday Sale!
    King Simmons Beautyrest Silver Lydia Manor 4 Plush Pillow Top 16 Inch Mattress
    Rating:
    86%

    From $1,129.00

    To $4,006.00

    Reg: $1,229.00 You save $100.00!
    Comfort Scale - 9
  14. King Sealy Posturepedic Response Performance Cooper Mountain IV Firm 11 Inch Mattress
    FREE Gift Bundle!
    King Sealy Posturepedic Response Performance Cooper Mountain IV Firm 11 Inch Mattress
    Rating:
    88%

    From $999.00

    To $4,676.00

    Reg: $2,199.00 You save $1,200.00!
    Comfort Scale - 1.5
  15. Cal King Simmons Beautyrest Silver Kenosha Place 4 Plush 12 Inch Mattress
    20% Off!
    Cal King Simmons Beautyrest Silver Kenosha Place 4 Plush 12 Inch Mattress
    Rating:
    92%

    From $689.00

    To $3,566.00

    Reg: $979.00 You save $290.00!
    Comfort Scale - 5
  16. King Simmons Beautyrest Silver Lydia Manor 4 Plush 14.5 Inch Mattress
    Holiday Sale!
    King Simmons Beautyrest Silver Lydia Manor 4 Plush 14.5 Inch Mattress
    Rating:
    88%

    From $999.00

    To $3,876.00

    Reg: $1,099.00 You save $100.00!
    Comfort Scale - 7
  17. King Serta iComfort Hybrid Blue Fusion 100 Firm 12 Inch Mattress
    Closeout! Save $200!
    King Serta iComfort Hybrid Blue Fusion 100 Firm 12 Inch Mattress
    Rating:
    94%

    From $1,399.00

    To $3,876.00

    Reg: $1,599.00 You save $200.00!
    Comfort Scale - 3
  18. Sapphire Suite Double Sided Firm Mattress Corner
    Extra Savings Today Only!
    King Serta Perfect Sleeper Hotel Sapphire Suite II Firm Double Sided 14 Inch Mattress
    Rating:
    96%

    From $1,369.00

    To $1,836.00

    Reg: $1,719.00 You save $350.00!
    Comfort Scale - 2.5
  19. Cal King Sealy Posturepedic Response Performance Cooper Mountain IV Plush 12.5 Inch Mattress
    FREE Gift Bundle!
    Cal King Sealy Posturepedic Response Performance Cooper Mountain IV Plush 12.5 Inch Mattress
    Rating:
    92%

    From $999.00

    To $4,676.00

    Reg: $2,199.00 You save $1,200.00!
    Comfort Scale - 6
  20. Cal King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Pillow Top Double Sided 14.25 Inch Mattress
    Extra Savings Today Only!
    Cal King Serta Perfect Sleeper Hotel Sapphire Suite II Plush Pillow Top Double Sided 14.25 Inch Mattress
    Rating:
    92%

    From $1,349.00

    To $1,816.00

    Reg: $1,679.00 You save $330.00!
    Comfort Scale - 6

Showing 1-36 of 122 results

Page
per page
Set Ascending Direction