UK Bed Sizes Guide (2025) – Standard Mattress Dimensions in cm & inches

Introduction
Knowing the UK bed sizes is essential when shopping for a bed, so that it fits your room and sleeping needs perfectly. The bed sizes used in the UK are: Single (90x190cm), Double (135x190cm), King (150x200cm), and Super King (180x200cm). We continue to be widely supported by mattress and bed frame manufacturers in the UK, using these measurements when selecting the right one for comfort and style. Despite that, UK bed sizes will help you decide whether you want to upgrade your existing mattress, design the furnishings for a guest room, or completely start afresh with a new space.
For this UK 2025 guide, we will explain each bed size and guide on selecting the right one for you.
Quick Overview – UK Bed Sizes Table
Here’s a quick summary of the most common UK bed sizes, including dimensions in both centimetres and inches for easy reference:
Bed Size |
Dimensions (cm) |
Dimensions (inches) |
Single |
90 x 190 cm |
3’0” x 6’3” |
Small Double (Queen) |
120 x 190 cm |
4’0” x 6’3” |
Double |
135 x 190 cm |
4’6” x 6’3” |
King Size |
150 x 200 cm |
5’0” x 6’6” |
Super King Size |
180 x 200 cm |
6’0” x 6’6” |
Emperor (Custom Size) |
200 x 200 cm |
6’6” x 6’6” |
What Are the Standard Bed Sizes in the UK?
In the UK, bed sizes follow a set of measurements that are widely used by both mattress and bed frame manufacturers. The four primary bed sizes are:
-
Single Bed Size UK: 90 x 190 cm (3’0” x 6’3”)
-
Double Bed Size UK: 135 x 190 cm (4’6” x 6’3”)
-
King Size Bed Size UK: 150 x 200 cm (5’0” x 6’6”)
-
Super King Size Bed UK: 180 x 200 cm (6’0” x 6’6”)
These dimensions are designed to suit various needs, from compact singles perfect for children to luxurious super king beds ideal for spacious bedrooms and couples who enjoy extra room.
The King Size Bed Measurements UK (150 x 200 cm) and the Super King Bed Size UK (180 x 200 cm) are especially popular in larger bedrooms where comfort and space are a priority.
Detailed Bed Size Breakdown
Single Bed Size UK
The single bed size UK (90 x 190 cm) is typically designed for one person. It's perfect for children, smaller rooms, or guest spaces. This size is the most common choice for young children and teens who need a smaller bed.
Double Bed Size UK
The double bed size UK (135 x 190 cm) provides ample space for a single sleeper or a couple who may not require the space of a king-size bed. It’s an ideal option for smaller bedrooms where you need a balance between comfort and room size.
King Size Bed Size UK
If you’re after a bit more space, a King Size Bed Size UK (150 x 200 cm) offers more room for movement while still fitting comfortably in most rooms. The king size bed dims UK are often favored by couples who appreciate a bit more room to stretch out. This bed size offers an excellent balance of luxury and practicality.
Super King Size Bed UK
For those seeking the biggest bed size UK, the super king size bed UK (180 x 200 cm) offers the ultimate comfort. It’s perfect for those who want the most space available for sleeping or for families who may share the bed with young children or pets.
While king size bed measurements UK are still popular, the super king bed size UK is the ultimate luxury for those with spacious master bedrooms who want a large, comfortable sleeping area. The super king size bed size UK gives you generous space for two or more sleepers to enjoy.
Small Double Bed Size UK
The small double bed size UK (120 x 190 cm) falls between the single and double bed sizes. It’s a good option for solo sleepers who want more space than a single bed but don’t need the full size of a double. It’s also useful for guest rooms or rooms that require a compact bed.
UK vs US/EU Bed Sizes
The UK uses different bed size standards compared to the US and EU, which may cause confusion when shopping for international furniture or traveling abroad.
For example, a King Size Bed in the US typically measures 193 x 203 cm, which is slightly longer than the UK King size of 150 x 200 cm. Similarly, a Queen Size Bed UK (120 x 190 cm) is smaller than the Queen Size Bed US (152 x 203 cm). Knowing these differences is important if you’re purchasing mattresses or frames online or traveling internationally.
Conclusion
Selecting the right bed size UK can dramatically enhance the comfort and aesthetics of your bedroom. Whether you’re considering a king size bed size UK for added luxury or a small double bed size UK for space-saving, understanding your options is key. At Furniture For You Ltd, we specialize in helping you choose the perfect bed to fit your needs and your room.
Visit us today for more information on bed sizes UK, expert advice, and high-quality furniture solutions that help you sleep better.
Frequently Asked Questions (FAQs)
Question 1: What is the biggest bed size in the UK?
The biggest bed size in the UK is the Super King Size Bed UK (180 x 200 cm). It offers the most space for sleepers and is ideal for large bedrooms.
Question 2: What is the size of a double bed in the UK in cm?
A double bed size UK measures 135 x 190 cm (4’6” x 6’3”).
Question 3: What is the size of a king size bed in the UK?
A king size bed size UK measures 150 x 200 cm (5’0” x 6’6”).
Question 4: What is the difference between a small double and a queen size bed in the UK
A small double bed size UK measures 120 x 190 cm, while a queen size bed UK is another term for the small double and has similar dimensions.
Question 5: Can I get a custom-sized bed?
Yes! At Furniture For You Ltd, we offer custom bed and mattress sizes to meet your exact specifications.