A little girl dressed as a queen, asleep on a bed, cuddling a bunny rabbit.

​How Big is a Queen Size Bed?

Emma CarltonEmma Carlton
July 23, 2026

If you are looking for a new bed, you may have come across the term queen size bed and be wondering how big it actually is.

The answer can be confusing because bed sizes vary depending on where you are in the world. In the UK, a queen size bed is typically equivalent to a small double bed, measuring 120cm wide by 190cm long (4ft x 6ft 3in).

A queen size bed can be a practical choice for smaller bedrooms, guest rooms or couples who need more space than a single bed offers, but without taking up as much room as a larger bed size.

However, if you are choosing a bed in the UK, it is important to understand how queen size compares with standard UK sizes such as double and king.

What Are Queen Size Bed Dimensions in the UK?

In the UK, a queen size bed usually measures:

 

Bed Size

Width

Length

Queen Size/Small Double

120cm

190cm

Double

135cm

190cm

King Size

150cm

200cm

 

A queen size bed provides a compact sleeping space that works well in smaller bedrooms while still offering more room than a single bed.

It is worth remembering that bed frames can be slightly larger than the mattress itself, depending on the style and design. Always measure your available bedroom space before choosing a new bed.

Is a Queen Size Bed the Same as a Small Double?

Yes. In the UK, a queen size bed is generally the same size as what is commonly known as a small double bed.

A small double measures 120cm wide by 190cm long, making it 15cm narrower than a standard double bed.

This makes it a popular option for:

  • Teenagers moving into a larger bed
  • Guest bedrooms
  • Smaller bedrooms where space is limited
  • Solo sleepers who want extra room
  • Couples who prefer a more compact sleeping space

Queen Size Bed vs Double Bed: Which Is Bigger?

A standard UK double bed is bigger than a queen size bed.

A double bed measures 135cm wide by 190cm long, giving you an extra 15cm of width compared with a queen size bed.

That extra width may not sound like much, but it can make a noticeable difference when two people share a bed.

 

Queen Size vs Double Bed Comparison

 

Feature

Queen Size

Double

Width

120cm

135cm

Length

190cm

190cm

Best suited for

Smaller rooms, solo sleepers, occasional couples

Couples, larger bedrooms

 

If you have enough bedroom space, a double bed may provide more comfort for two adults.

Queen Size Bed vs King Size Bed: Which Is Bigger?

A king size bed is significantly larger than a queen size bed.

A UK king size bed measures 150cm wide by 200cm long, making it 30cm wider and 10cm longer than a queen size bed.

The additional space can be especially useful for couples who:

  • Prefer more room to move
  • Sleep in different positions
  • Are taller
  • Share the bed with children or pets
  • Want a more spacious sleep environment

Queen Size vs King Size Comparison

 

Feature

Queen Size

King Size

Width

120cm

150cm

Length

190cm

200cm

Ideal for

Smaller rooms

Couples wanting extra space

 

Is a Queen Size Bed Big Enough for Two Adults?

A queen size bed can sleep two adults, but it provides less personal sleeping space than a double or king size bed.

For couples who enjoy sleeping close together or have limited bedroom space, a queen size bed can be a good choice.

However, if you or your partner move around a lot during sleep, prefer more personal space or are taller, a larger bed size may offer greater comfort.

Who Is a Queen Size Bed Best For?

A queen size bed can be a great option if you are looking for:

 

A Space-Saving Double Bed Alternative

Queen size beds provide more sleeping room than a single bed while taking up less space than larger options.

A Guest Room Bed

The compact dimensions make queen size beds ideal for guest bedrooms where flexibility is important.

A Larger Bed for One Person

Solo sleepers who like extra room to stretch out may enjoy the additional width compared with a standard single bed.

A Smaller Bedroom

If your bedroom cannot comfortably accommodate a double or king size bed, a queen size bed can provide a good balance between comfort and available space.

What Size Mattress Fits a Queen Size Bed?

A queen size bed requires a mattress that matches its dimensions.

In the UK, this means a small double mattress measuring:

120cm x 190cm

Always check your existing bed frame measurements before buying a replacement mattress, as bed size names and measurements can vary from one country to the next.

How Much Bedroom Space Do You Need for a Queen Size Bed?

Before choosing a queen size bed, consider the full size of your bedroom, including space around the bed.

Ideally, you should allow enough room to:

  • Walk comfortably around the bed
  • Open wardrobes and drawers
  • Add bedside tables if required
  • Make the bed easily

Measuring your room before buying can help you choose the largest bed size that fits comfortably.

Frequently Asked Questions

What size is a queen size bed in the UK?

A UK queen size bed is usually equivalent to a small double bed, measuring 120cm wide by 190cm long.

Is a queen size bed bigger than a double?

No. In the UK, a double bed is wider than a queen size bed. A double measures 135cm wide, while a queen size bed measures 120cm wide.

Is a queen size bed the same as a small double?

Yes. A UK queen size bed is generally the same size as a small double bed.

Can two people sleep comfortably in a queen size bed?

Yes, but comfort depends on personal preference, sleeping habits and available bedroom space. Couples who prefer more room may find a double, king or super king more suitable.

What is the next size up from a queen size bed?

In the UK, the next standard size up is a double bed, followed by king size and super king size.

Final Thoughts: Choosing the Right Bed Size

When choosing a new bed, the right size is about finding the best balance between comfort and the space available in your bedroom.

A queen size bed can be a practical choice for smaller rooms, guest bedrooms and solo sleepers who want extra space. However, couples who want more freedom to move may prefer the additional room offered by a double or king size bed.

Before making your choice, consider who will use the bed, how much space you have available and how much room you like to have while sleeping.

Emma Carlton - Mattress & Softs Buyer