About King Mattresses
The king sized mattress is the ruler of all other mattress types. Not really – the queen has the dominant market share, and there are in fact bigger things than kings – but of the four core mattress types, the king is certainly the most sizable. King mattress sizes make them perfect for master bedrooms, and these beds are excellent for couples who like to have their space when they want it. King beds are also great if you find yourself sometimes bedding down with your children next to you, or if you have some cats and dogs that think it’s really their bed. There’s also that undeniable satisfaction you get when you brag to your friends you’re sleeping on a king-size.
King Size Mattress Dimensions
Imperial Measurements
In inches, a king mattress is 76″ x 80″ – a surface area of 6,080 square inches.
In feet, a king mattress is 6.3 ft x 6.7 ft – a surface area of about 42 square feet.
Metric Measurements
In centimeters, a king mattress is 193 cm x 203 cm – a surface area of 39,226 sq. cm.
In meters, a king mattress is 1.9 m x 2 m – a surface area of 3.9 square meters.
Mattress Thickness
Most mattresses fall within the same range for thickness, and kings are no exception. A king mattress is around 8-13 inches thick, which is about 20-33 cm thick.
King Mattress Size Chart
Need the facts? Yes, m’liege.
More About King Mattresses
Your standard king mattress is also known as the eastern king mattress, since there’s an additional type of king called the California king and, obviously, California is to the west.
King size mattresses are commonly divided since they’re so large, which makes them easier to maneuver through doors, up stairs, across rivers, and across obstacle courses. In fact, two twin XL mattresses pushed together side by side are the exact same as one king mattress! If you’re buying a split king bed that comes with an adjustable base, you’re actually just buying two twin XL mattresses. Bear in mind that this may be a great way to use a large guest room; if your guests are two people who aren’t in a relationship, your guest room can have two twin XL beds – and if your guests are already used to sleeping together, you can give them a great big king. If you only have one guest, they’ll surely appreciate the extra room as well.
Besides east side and west side king mattresses, there are a host of other upgrades and customizations. No, there’s no twin or full XL sort of “extra long” upgrade, but don’t worry, your big giant mattress needs will still be met with the grand king, the super king, the Olympic king, or, y’know, there’s probably a mega grand super ultra nitro king that’s the size of a city block. You’ve got plenty of options.
Bottom line, though, if you want a big size but still want a mattress easy to shop for in terms of bedding and accessories, the king is for you.
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