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The Emma Mattress Size Guide
One of the most important decisions you will have to make when buying a new mattress is which mattress size to choose. In the UK, there are numerous different mattress sizes to choose from. That can make finding the right mattress size quite tricky. We created a size guide (and some additional recommendations!) to help you find the right mattress size for you!
Mattress Size Comparison
Tips for Choosing the Right Mattress Size
To determine the perfect height for your mattress, make sure it is 10 cm longer than the tallest person sleeping on it to ensure your feet don’t poke out at the bottom of the bed. To find the perfect mattress width, tuck both hands under your head and lie back on the mattress. If your elbows touch your partner or the edge of the mattress you will probably need a wider one.
90 x 190 cm
Recommended for: single sleepers or children/ teenagers
Description: Single bed mattresses have dimensions of 90cm x 190cm, or 3’x 6’3”. This size is perfect for children or teenagers, as this mattress size offers enough space for single sleepers. Single bed mattresses are a common mattress size for bunk beds, but are also a great option if you have a small bedroom and need space to fit in other furniture.
Small Double Dimensions
120 x 190 cm
Recommended for: one person, but can also fit two
Description: Small double mattresses have a length of 120cm and a width of 190cm or 4’x6’3”. This size is great for bedrooms that aren’t quite large enough to fit a double bed. Small double mattresses offer an ideal amount of space for single sleepers to comfortably stretch out. Although two people can fit on small double mattresses, over a longer time period it might be too much of a tight squeeze. However, it's perfect for guest rooms.
135 x 190 cm
Recommended for: couples or medium sized bedrooms
Description: Double mattresses are the most common mattress sizes in the UK, with many couples opting for this mattress size. The dimensions of 135cm x 190cm or 4’6” and 6’3” mean that this mattress size is spacious enough to fit two sleepers. It also allows single sleepers to fully stretch out. Double size mattresses can fit in most standard bedrooms, without taking up too much space. So, it’s a great option for master bedrooms.
150 x 200 cm
Recommended for: couples, who like a lot of space or those over 6’2”
Description: With dimension of 150x200 cm or 5’0” x 6’6” king size mattresses offer a large amount of space. They are a great option for couples, as there is enough room for both partners to sleep comfortably. The longer length also means that this mattress size is great for taller people who might find smaller mattresses sizes not spacious enough. King size mattresses tend to take up a bit of space, so this size is best for larger bedrooms.
180 x 200 cm
Recommended for: couples, who like their own space or families
Description: Super king size mattresses offer a luxurious amount of sleeping space. The dimensions of 180x200cm or 6’0”x 6’6” mean that this mattress size is perfect for couples who like their own space. It is also a great option for families who like to spend their Sunday mornings together in bed. Super king mattresses are considerably wider than the standard double bed mattress and require a large amount of space.