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King-Size Bed Dimensions: How to Sleep Like a King in Your Own Bedroom

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It is no secret how valuable sleep is to our wellbeing. Not getting enough sleep can affect our mental health, prematurely age our brains and even affect how long we live. Part of getting the right amount of sleep is having the right mattress.

Before you can buy your next bed, you need to know the right mattress size for your room. A king bed gives a ton of space for sleep and makes room for sleeping partners, but it also demands a lot of space in your bedroom.

If you're thinking about buying a new king bed for your bedroom, this is what you need to know before you go shopping.

King-size bed dimensions

The standard king bed measures 76 by 80 inches with a surface size of 6,080 square inches. It can also be made from two twin mattresses pushed together, with each twin bed typically measuring 38 by 80 inches. It makes a king a bit longer than a California king bed but not as wide. In comparison, a California king measures 72 by 84 inches. Meanwhile, a queen bed is the same length as a king bed but not as wide, measuring 60 by 80 inches. When deciding between a king vs. queen bed, it all has to do with how wide you want your bed to be. If you are taller, a California king will give you the extra length to comfortably fit your height.

However, it is important to note that measurements can vary slightly based on the manufacturer, so be sure to check the measurements before you buy.

To see how a king bed compares, this is an overview of mattress measurements by size.

Mattress size Dimensions (in inches) Twin 38 x 75 Twin XL 38 x 80 Full 54 x 74 Queen 60 x 80 King 76 x 80 California King 72 x 84

What to consider when choosing a king-size mattress

When buying a king-size mattress, there are a few factors to keep in mind to help ensure you find the best mattress for your bedroom.

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