When it comes to getting a good night’s sleep, mattress size matters. Choosing the right mattress isn’t just about comfort—it’s about practicality, space efficiency, and ensuring you wake up refreshed and pain-free. In the UK, mattress sizes vary and differ slightly from international standards, particularly those in the US. This article will walk you through the various UK mattress sizes, including their dimensions in centimetres (cm), inches, and feet, helping you select the best fit for your bedroom.
Why Mattress Size Matters
- Sleep Quality: A properly sized mattress supports your body, aligns your spine, and reduces motion transfer.
- Room Fit: Choosing the right size helps make the best use of your available bedroom space.
- Sharing the Bed: Couples or families sharing a bed need ample space to move without disturbing each other.
UK Mattress Sizes Breakdown
Each mattress type serves a unique purpose, from children’s beds to luxurious options for master bedrooms. Here is a breakdown of all the major UK sizes:
1. Small Single Mattress
Dimensions:
- 75 x 190 cm
- 2’6” x 6’3”
- 29.5” x 74.8”
Best For: Young children, compact guest rooms, and narrow spaces. Perfect for bunk beds or small bedrooms.
2. Single Mattress
Dimensions:
- 90 x 190 cm
- 3’0” x 6’3”
- 35.4” x 74.8”
Best For: One adult, teens, or growing children. This standard size fits well in smaller bedrooms and student accommodations.
3. Small Double Mattress (Also Known as Queen in UK)
Dimensions:
- 120 x 190 cm
- 4’0” x 6’3”
- 47.2” x 74.8”
Best For: Individuals who need more space or couples living in small apartments. It’s also a great option for guest rooms.
4. Double Mattress
Dimensions:
- 135 x 190 cm
- 4’6” x 6’3”
- 53.1” x 74.8”
Best For: Couples or single sleepers who prefer extra room. It’s the most common mattress size in UK households.
5. King Size Mattress
Dimensions:
- 150 x 200 cm
- 5’0” x 6’6”
- 59.0” x 78.7”
Best For: Couples who like extra space. Offers a perfect balance between roominess and floor space usage.
6. Euro Queen Mattress
(European Standard)
Dimensions:
- 160 x 200 cm
- 5’3” x 6’6”
- 63” x 78.7”
Best For: Those who want a bit more space than a UK king without jumping to super king. Ideal for IKEA or continental bed frames.
7. Super King Size Mattress
Dimensions:
- 180 x 200 cm
- 6’0” x 6’6”
- 70.9” x 78.7”
Best For: Large bedrooms, families with children or pets who share the bed. Ultimate in space and comfort.
Mattress Size Comparison Table (UK
| Mattress Type | Dimensions (CM) | Dimensions (Inches) | Dimensions (Feet & Inches) |
|---|---|---|---|
| Small Single | 75 x 190 | 29.5” x 74.8” | 2’6” x 6’3” |
| Single | 90 x 190 | 35.4” x 74.8” | 3’0” x 6’3” |
| Small Double (Queen) | 120 x 190 | 47.2” x 74.8” | 4’0” x 6’3” |
| Double | 135 x 190 | 53.1” x 74.8” | 4’6” x 6’3” |
| King | 150 x 200 | 59.0” x 78.7” | 5’0” x 6’6” |
| Euro Queen | 160 x 200 | 63” x 78.7” | 5’3” x 6’6” |
| Super King | 180 x 200 | 70.9” x 78.7” | 6’0” x 6’6” |
Choosing the Right Mattress Size
1. Consider Your Room Size
Ensure you leave space around the bed for movement, furniture, and comfort. Oversized beds can make small rooms feel cramped.
2. Your Height and Build
Taller or larger individuals will find a better night’s rest on a king or super king size.
3. Sleeping Partners
Couples or those sharing with pets/kids should consider at least a king or super king size mattress.
4. Sleep Style
Back, side, and stomach sleepers may require different sleeping surfaces and mattress lengths.
Conclusion: Choosing the Perfect Mattress Size in the UK
Understanding mattress dimensions in centimetres, inches, and feet is essential to making a smart purchase. Whether you need a compact single for a child or a luxurious super king for maximum comfort, there’s a perfect size for everyone. Use the mattress size guide above to match your sleep needs with the correct bed dimensions.
Making the right choice ensures restful sleep, efficient use of space, and an improved bedroom experience overall.
Roman is a seasoned expert in mattress development with over a decade of experience in sleep technology, material innovation, and product engineering. He has played a key role in designing and refining sleep solutions for leading mattress brands, with a deep focus on ergonomics, pressure relief, and sleep quality optimization.
With a background in product design and biomechanics, Roman combines scientific research with hands-on development to create mattresses that address real-world sleep issues—from spinal alignment to temperature regulation. His work has contributed to several award-winning mattress lines known for their comfort, durability, and user satisfaction.
