Finding the correct size mattress is important but can be confusing as there are no international standard sizes.

The differences between British, European and American mattress sizes are slight, but crucially important when considering bed frame, mattress, duvet, and bed linen too. To ensure you get the right size mattress for your bed we’ve put together this easy-to-understand guide.

We hope these size charts will make it easy, and if you need assistance, our award-winning customer experience team are on hand by phone or email, so you can start the exciting and fun process of choosing your dream French bed and the very best in French bedroom design.

Mattress Size Comparison Charts

UK Mattress SizeDimensions (Imperial)Dimensions (Metric)Average Mattress Weight
UK Single3’0” x 6’3”90cm x 190cm35kg
UK Double4’5” x 6’3”135cm x 190cm52kg
UK King5’0” x 6’6”150cm x 200cm61kg
UK Super King6’0” x 6’6”180cm x 200cm75kg
UK Emperor7’0” x 7’0”215cm x 215cm100kg


What Size Is A Single Mattress UK?

The UK Single mattress measures 90 x 190cm. Ideal for the solo sleeper, children or young adults, the single bed is the perfect addition to any average to small bedroom leaving plenty of floor space free!

What Size Is A Double Mattress UK?

The Double mattress is a popular size for couples as this bed easily accommodates 2 people, however, would also be perfect for individuals just looking for a bit more room! It measures 135 x 190cm making the UK’s Double slightly smaller than our European and American friends’ version. Our double is comfortable yet practical as it does not take up too much space in the bedroom.

What Size Is A King Size Mattress UK?

The King mattress is the most popular size amongst couples and adults that have a little bit of extra space both in the width and length. As King size beds are longer than double beds, they’re perfect for people who could do with some extra leg room, measuring 150 x 200cm.

What Size Is A Super King Mattress UK?

The Super King mattress offers ultimate comfort and luxury with some added width. The Super king is 180 x 200cm making it wider than the king and it is ideal for a master bedroom making for the perfect sleeping space.

What Size Is An Emperor Mattress UK?

The Emperor mattress is the largest mattress size in the UK, measuring an impressive 215 x 215cm (that’s 7ft by 7ft!). Perfect for those of us looking for the ultimate in luxury, an emperor bed not only makes a style statement, but it allows you to relax, stretch out and sleep in an unbeatable amount of space. It is also ideal for any family to enjoy all together for those quiet family mornings or to cuddle up and watch a film.

Diagram showing UK mattress sizing, starting with an Emperor sized mattress at the back, overlayed by a Super King, then King, followed finally by double and then single size mattresses, in order to help you see a sense of scale.

All of our French beds fit UK mattress sizes.


European Mattress SizesDimensions (Imperial)Dimensions (Metric)Average Mattress Weight
European Single3’0” x 6’6”90cm x 200cm35kg
European Double4’6” x 6’6”140cm x 200cm52kg
European King5’2” x 6’6”160cm x 200cm61kg
European Grande King6’0” x 6’6”180cm x 200cm75kg
European Super King6’6” x 6’6”200cm x 200cm100kg

What Size Is A Single Mattress EU?

The Single size is best suited to children and young adults measuring at 90 x 200cm, longer than that of the UK size single making it suited to children as they grow into their teenage years!

What Size Is A Double Mattress EU?

The Double is the next size up from the single over a ⅓ of extra width measuring 140 x 200 cm. It enables the accommodation of couples or individuals who want more room. It works well for bedrooms that cannot comfortably fit a King bed.

What Size Is A King Mattress EU?

The King is well suited for couples, allowing space for both people with added width whilst maintaining length. It measures at 160 x 200 cm, making this size perfect for a master bedroom.

What Size Is A Grande King Mattress EU?

The Grande King is for couples looking for a spacious bed, providing more than enough room for each person to stretch out comfortably. Measuring 180 x 200cm the added width makes the mattress an ideal place to rest and relax as well as sleep, perfect for couples or individuals with more bedroom space. The Grande King is the equivalent of the UK’s Super King.

What Size Is A Super King Mattress EU?

The biggest mattress in the European range is the Super King. Offering comfort and luxury, it measures in at 200cm x 200cm, ideal for those wanting to make the bedroom a sanctuary of serene relaxation. You’ll notice that it’s not quite as luxurious as the emperor bed in the UK, losing 15cm on both width and length.

Diagram showing European mattress sizing, starting with a Super King size mattress at the back, overlayed by a Grande King, then King, followed finally by double and then single size mattresses, in order to help you see a sense of scale.


Diagram showing US mattress sizing, starting with a California King sized mattress at the back, overlayed by a  King, then Queen, followed finally by double and then single size mattresses, in order to help you see a sense of scale.

US Single (98 x 189cm)

The Single is the smallest size of bed at 98 x 189cm ideal young children and small individuals. A great bed for children to allow them to utilize more of the floor space of the room.

US Double (136 x 189 cm)

The Double mattress provides a good compromise between a Single and a Queen. Measuring 136 x 189cm this bed is great for a solo sleeper looking for more room but is also a decent size for couples. This size is also very practical for saving floor space in bedrooms.

US Queen (152 x 202 cm)

The Queen size mattress is a better match for individuals who want to stretch out with more width as well as length as the queen is longer than the double. The Queen measures 152 x 202cm and is a perfectly suited and size mattress for couples, still allowing floor space in the average size bedroom.

US King (193 x 202 cm)

The King mattress is wider than the Queen mattress providing a more much more spacious feel. The King is 193 x 202 cm better for couples with more bedroom space. In UK terms, this bed is somewhere between a Super King and an Emperor.

US California (183 x 212 cm)

The California mattress is a longer mattress making it the preferable choice for taller couples or individuals. Measuring 183 x 212cm it provides the combination to achieve the ultimate sleeping experience. In comparison, a California mattress isn’t as big as the UK’s emperor mattress size.

US Mattress SizesDimensions (Imperial)Dimensions (Metric)Average Mattress Weight
US Single3’2” x 6’2”98cm x 189cm35kg
US Double4’5” x 6’2”136cm x 189cm52kg
US Queen5’0” x 6’7”152cm x 202cm61kg
US King6’3” x 6’7”193cm x 202cm75kg
US California6’0” x 7’0”183cm x 212cm100kg

If you're interested in looking at our range of Vispring mattresses, use the links below:

Vispring Double Mattresses Vispring King Size Mattresses Vispring Super King Mattresses Vispring Emperor Mattresses