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December 14, 2023

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What Size is a King Mattress?

By Endy Admin
Looking for ample space to stretch out? The king mattress is a popular choice for extra room.
A king-size mattress typically measures 76 inches wide and 80 inches long, making it one of the largest standard mattress sizes available. The depth of a king mattress will vary from mattress to mattress (even within the same brand).A size diagram of a king size mattressThis is the go-to bed size for a luxurious primary bedroom with generous proportions (and a step up from queen-size bed dimensions).

What are king-size mattress dimensions in Canada?

In Canada, a king-sized mattress (also known as an Eastern king or a standard king) typically measures 76 inches wide and 80 inches long in Canada.Confirming the specific dimensions with the manufacturer or retailer is always a good idea, as there may be slight variations among different mattress models or brands, especially when it comes to mattress depth. This may impact the bedding, bed frame, or headboard you choose!

What about California king mattresses?

A California king-size mattress, also known as a Western King or Cal King, has different dimensions than a standard king-size mattress. While a traditional king-size mattress measures 76 inches wide and 80 inches long, a California king-size mattress is longer and narrower. The dimensions of a California king-size mattress are typically 72 inches wide and 84 inches long.At-a-glance then:
  • Standard king (eastern king): 76 inches wide x 80 inches long
  • California king (western king): 72 inches wide x 84 inches long
The California king-size mattress provides additional length, making it a suitable choice for taller individuals who require extra legroom. However, it is narrower than a standard king-size mattress, which may affect the available width for sleeping space.

Endy’s king-size bed dimensions

Here’s an easy, at-a-glance reference for all of Endy’s mattress size dimensions for our two main styles of mattresses, from a twin to a California king mattress.


The Endy Mattress

The king size in the Endy Mattress measures the standard 80” long and 76” wide. The depth is 10”. Here’s the full breakdown of all sizes in the Endy Mattress:

LengthWidthHeightWeightTwin Size Mattress75" L39" W10" H43 lbsTwin XL Size Mattress80" L39" W10" H43 lbsFull Size Mattress75" L54" W10" H53 lbsQueen Size Mattress80" L60" W10" H70 lbsKing Size Mattress80" L76" W10" H92 lbsCalifornia King Size Mattress84" L72" W10" H92 lbs
Two Endy Customizable Pillows sitting atop the Endy Mattress accompanied by the Endy Solid Wood Nightstand

The Endy Hybrid Mattress

The king size in the Endy Hybrid Mattress measures the standard 80” long and 76” wide. The depth is 13”. Here’s the full breakdown of all sizes in the Endy Hybrid Mattress:
Length WidthHeightWeightTwin Size Mattress75" L x39" W x13" H68 lbsTwin XL Size Mattress 80" L x39" W x13" H73 lbsFull Size Mattress75" L 54" W 13" H89 lbsQueen Size Mattress80" L60" W13" H106 lbsKing Size Mattress80" L76" W13" H133 lbsCalifornia King Size Mattress84" L72" W13" H133 lbs
An Endy Hybrid Mattress sitting next to its box

Who are king-size mattresses ideal for?

King-size mattresses are ideal for individuals or couples who desire extra space and comfort while sleeping. Here are a few scenarios where a king-size mattress can be beneficial:CouplesKing-size mattresses are a popular choice for couples who prefer more sleeping space than a queen mattress offers. It allows each person to have ample room to move around, stretch out, and find a comfortable sleeping position without disturbing their partner.Taller individualsKing-size mattresses, especially the California king variant, offer additional length compared to other mattress sizes. This makes them suitable for taller individuals needing extra legroom to ensure a comfortable sleep.Active sleepersIf you or your partner tend to move a lot during sleep, a king-size mattress can minimize disruptions caused by tossing and turning. With more surface area, there is less chance of encroaching on each other's space.Families with children or petsIf the whole family likes to pile into the bed, king-size mattresses provide enough room to accommodate children or pets who may occasionally join you. It can be a comfortable solution for family snuggle time.Individuals who prefer spacious sleep surfacesYes, it’s the ultimate luxury for a solo sleeper, but if you’ve got the space, why not indulge!?Some individuals simply enjoy the luxurious feel of a large sleep surface. A king-size mattress can provide a sense of indulgence, offering plenty of room to spread out, relax, or engage in activities such as reading or watching TV while in bed.Ultimately, the choice of mattress size depends on personal preferences, sleeping habits, and the available space in your bedroom. King-size mattresses are particularly popular among those seeking generous sleeping space and enhanced comfort.

What kind of rooms/designs are king-size beds ideal for?

Because of their large proportions, it’s important to understand how much space on your floor plan a king-sized bed will occupy. While it might seem like the ultimate luxury, if it squeezes out other furniture, such as nightstands or dressers, it might look weird and disproportionate.You’ll also want to consider the surrounding furniture having bulkier proportions to ‘match’ your bed. For example, smaller nightstands will look like children’s furniture next to a large king-sized bed. It can help to draw up a floor plan of your room to make sure there’s enough space to accommodate a king-size bed frame and your other furniture, and still have room to move around the bed and get in and out on both sides.In general, you’ll most often see king-size beds in:Primary bedroomsKing-size beds are a common choice for principal bedrooms, which are typically larger. These rooms often have enough space to accommodate the dimensions of a king-size bed without making the room feel cramped.Extra spacious secondary bedroomsIf you have a larger bedroom, a king-size bed can help fill the space and create a balanced and visually appealing layout. It can be the focal point of the room and provide a luxurious and comfortable sleeping area.

FAQs about king-size mattresses

Is a king-size bed 7 feet wide?

No, a standard king-size bed is not 7 feet wide. A king-size bed is typically 6 feet 4 inches wide and 6 feet 8 inches long (i.e. 76” W x 80” L).However, there are options available for extra-long beds, such as California king-size beds, which have a length of 7 feet (84 inches). These beds are designed to accommodate taller individuals who require additional legroom.If you are specifically looking for a bed that is 7 feet long, a California king-size bed is the closest standard option.

What are the different sizes of king-size beds?

The term "king-size bed" typically refers to a standard king-size bed, also known as an Eastern King. The dimensions of a standard king-size bed are generally 76 inches wide and 80 inches long. However, it's worth noting that there are some variations and regional differences in king-size bed sizes. Here are a few different sizes of king-size beds:
Standard king (Eastern king): 76 inches wide x 80 inches long
This is the most common and widely recognized king-size bed. It provides ample space for couples and is a popular choice for primary bedrooms.California king (Western king): 72 inches wide x 84 inches longThe California king bed is longer but narrower than the standard king-size bed. It is designed to offer extra length for taller individuals who require more legroom.Split king: Two mattresses, each measuring 38 inches wide x 80 inches longA split king bed consists of two separate twin XL mattresses placed side by side. It allows couples to customize the firmness or type of mattress on each side of the bed according to their preferences.Texas king: 80 inches wide x 98 inches longThe Texas king-size bed is a much less common size. It is a larger variation of the standard king-size bed. It offers extra width and length, providing more space for couples who desire a roomier sleep surface.

Can a queen bed sheet fit a king?

No, a queen-size bed sheet generally will not fit a king-size bed properly. Queen-size beds are smaller than king-size beds, so the dimensions of the sheets are different.A queen-size bed typically measures 60 inches wide by 80 inches long, while a standard king-size bed measures 76 inches wide by 80 inches long. The difference in width between a queen and a king bed is significant, which means a queen-size sheet will likely be too narrow to properly cover the sides of a king-size mattress.Using a queen-size sheet on a king-size bed may result in the sheet not fully covering the mattress or slipping off easily during use, which can be uncomfortable and inconvenient.It is recommended to use properly sized sheets for the specific bed size to ensure a proper fit, comfort, and ease of use. In addition to checking the standard size, always be mindful of the depth of fitted sheets as mattress depth can vary quite dramatically from style to style of mattress.

Can a king bed fit in a 10x10 room?

Yes, a king-size bed can technically fit in a 10x10 room, but it will leave limited space for other furniture and movement, and it will probably look disproportionately big in the space.A standard king-size bed typically measures 76 inches wide by 80 inches long. In a 10x10 room, which is 10 feet by 10 feet or approximately 120 inches by 120 inches, the bed would technically fit. However, it's important to consider the layout and other factors in the room.To determine if a king-size bed will fit comfortably, you should also account for additional furniture like nightstands, dressers, and any other items you plan to include in the room. It's crucial to leave enough space for easy movement and to avoid a cramped feeling and a harmonious look.We recommend measuring the room carefully and even consider creating a scale drawing of the floor plan to visualize the arrangement of furniture. This way, you can ensure your bedroom will happily accommodate the bed along with any other desired furniture and still provide a comfortable and functional living space.
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