Mattress Sizes NZ 2026: Complete New Zealand Bed Size & Dimensions Guide

Choosing the right mattress size sounds simple until you start comparing beds.

What size is a Queen in New Zealand? Is a King longer than a Queen? How much bigger is a Super King? And is a New Zealand California King the same size as one overseas?

One important thing to know is that mattress dimensions can vary slightly between New Zealand manufacturers. Even when two mattresses carry the same size name, their measurements may differ by a centimetre or two.

That means you should always check the actual dimensions of the mattress you are purchasing, particularly if it needs to fit an existing bed frame, base or bedroom space.

This guide explains the main NZ mattress sizes, how they compare and what to think about when deciding which size is right for you.

NZ Mattress Sizes: Quick Guide

Typical New Zealand mattress dimensions are approximately:

These measurements should be treated as a guide. Always confirm the exact mattress dimensions before ordering bedding, bases, bed frames or other furniture.

Single Mattress Size NZ

A standard NZ Single mattress is typically around 91–92 cm wide and 188–190 cm long.

Single beds are commonly used for children, teenagers, guest rooms and smaller bedrooms where floor space is limited.

They can also work for adults, although taller sleepers may find the traditional Single length restrictive.

If you're buying for a growing teenager or a taller adult, it can be worth comparing a Single with a Long Single or King Single before deciding.

Long Single Mattress Size NZ

A Long Single is approximately 91–92 cm wide × 203 cm long.

It keeps roughly the same width as a conventional Single while adding considerably more length.

That makes it particularly useful when bedroom width is limited but the sleeper needs a longer mattress.

A Long Single can be a practical option for taller teenagers, taller adults and guest bedrooms where a Queen or Double would occupy too much floor space.

King Single Mattress Size NZ

A King Single is approximately 105–107 cm wide × 203 cm long.

It is both wider and longer than a standard Single, making it a popular step up for teenagers and adults sleeping alone.

For a growing teenager, a King Single can be particularly useful because it provides adult-length sleeping space without taking up as much room as a Double or Queen.

Double Mattress Size NZ

A Double mattress is typically around 135–139 cm wide × 188–190 cm long.

A Double gives one sleeper considerably more room than a Single or King Single and can also accommodate two people.

However, two adults sharing a Double receive considerably less personal sleeping space than they would on a Queen, King or Super King.

There is another point worth remembering: a traditional Double is generally shorter than a Queen or King.

For taller sleepers, a Long Double or Queen may therefore be a better fit.

Long Double Mattress Size NZ

A Long Double is approximately 137 cm wide × 203 cm long.

It combines roughly the width of a conventional Double with the longer 203 cm length commonly found in Queen, King and larger mattresses.

This can make it a useful option for taller single sleepers, smaller main bedrooms and people who like Double width but find a traditional Double too short.

Queen Mattress Size NZ

A Queen mattress is generally around 152–153 cm wide × 203 cm long.

Queen is one of the most familiar mattress sizes for New Zealand couples because it strikes a practical balance between sleeping space and bedroom footprint.

It also gives a single sleeper a very generous amount of room.

Compared with a traditional Double, a Queen provides both additional width and additional length.

For many couples, that makes Queen a sensible starting point when choosing an everyday bed.

Queen vs King: What's the Difference?

A Queen is typically around 152–153 × 203 cm, while a King is approximately 167–169 × 203 cm.

The important point is that they are generally the same length.

The King gives you approximately another 15 cm of total width.

That may not sound dramatic on paper, but when two people share a mattress every night, the additional personal sleeping space can be surprisingly noticeable.

A Queen can make sense if your bedroom is tighter or you want to preserve more walking space around the bed.

A King is worth considering if your room can comfortably accommodate it and you value additional personal space while sleeping.

King Mattress Size NZ

A typical New Zealand King mattress is approximately 167–169 cm wide × 203 cm long.

King can be a particularly good option for couples who already sleep on a Queen but regularly disturb one another or simply want more personal space.

Because the additional size is mainly in the width, moving from Queen to King doesn't necessarily require an enormous bedroom.

It is still important to measure the entire room rather than simply checking whether the mattress itself will fit.

Super King Mattress Size NZ

A Super King is approximately 183 cm wide × 203 cm long.

At around 1.83 metres wide, it provides a substantial amount of sleeping space for two people.

Super King can work particularly well in larger bedrooms and for couples who like plenty of their own sleeping space.

It can also be useful where partners have different sleeping habits or where children occasionally join their parents in bed.

King vs Super King NZ

A King is approximately 167–169 × 203 cm, while a Super King is around 183 × 203 cm.

Again, the length is generally the same.

The Super King gives approximately another 14–16 cm of total width, depending on the dimensions of the particular King mattress being compared.

A King can suit couples wanting more room than a Queen without allowing the bed to dominate the bedroom.

A Super King makes sense when bedroom space is less restricted and generous personal sleeping space is a priority.

California King Mattress Size NZ

A commonly used New Zealand California King size is approximately 203 cm wide × 203 cm long.

In other words, it's roughly two metres in both directions.

That makes the California King an exceptionally spacious choice for couples and larger bedrooms.

It is also important not to confuse the New Zealand California King with mattress sizes used overseas.

American websites, for example, often describe a California King as an extra-long mattress. That doesn't necessarily apply to the NZ sizing convention.

In New Zealand, the California King generally gains its extra size primarily through width.

Super King vs California King NZ

A Super King is approximately 183 × 203 cm, while a California King is around 203 × 203 cm.

That gives the California King roughly 20 cm of additional total width.

If you have a large bedroom and want maximum sleeping space, a California King can be a fantastic option.

However, bigger isn't automatically better.

You still need sufficient room for bedside tables, wardrobes, drawers and comfortable movement around the bed.

What's the Biggest Standard Bed Size in NZ?

California King is one of the largest commonly available mattress sizes in New Zealand, at approximately 203 × 203 cm.

Custom and specialist mattresses can, of course, be manufactured in larger dimensions.

For most mainstream mattress ranges, however, California King sits at the upper end of the size scale.

What Is the Best Bed Size for a Couple?

There isn't one correct answer.

The best size depends on your bedroom, your body sizes, sleeping habits, budget and how much personal sleeping space you prefer.

A Double can physically accommodate two adults but provides fairly limited individual space.

Queen is a practical everyday option for many couples.

King gives each sleeper more room without dramatically increasing the overall footprint.

Super King provides considerably more personal space again.

And California King suits couples who have a large bedroom and simply want an exceptionally spacious bed.

Rather than asking “What's the smallest bed we can fit?”, a better question can be:

“What size would we actually enjoy sleeping on for the next several years?”

What Bed Size Is Best for a Tall Person?

If you're tall, pay particular attention to length rather than just width.

Traditional Single and Double mattresses are often around 188–190 cm long.

Long Single, King Single, Long Double, Queen, King, Super King and California King are commonly around 203 cm long.

For a tall person sleeping alone, a King Single can therefore be a very practical option.

For taller couples, Queen or larger is generally worth comparing.

King Single vs Long Single

Both are typically around 203 cm long.

The difference is width.

A Long Single is approximately 91–92 cm wide, whereas a King Single is approximately 105–107 cm wide.

If floor space is tight, Long Single gives you extra length without substantially increasing the mattress width.

If you can accommodate the additional width, a King Single provides noticeably more room for one sleeper.

Double vs Queen NZ

A traditional Double is approximately 135–139 × 188–190 cm.

A Queen is approximately 152–153 × 203 cm.

Moving to Queen therefore gives you both additional width and additional length.

For two adults sharing a bed every night, that difference can be significant.

If your bedroom can accommodate a Queen comfortably, it is worth comparing before choosing Double purely to save floor space.

How Much Space Should You Leave Around Your Bed?

Don't simply measure the bedroom and check whether the mattress technically fits.

Your bedroom still needs to function.

Think about bedside tables, wardrobes, bedroom doors, drawers in the bed base, other furniture and whether you can comfortably walk around the bed.

One of the easiest ways to test a proposed mattress size is to mark its dimensions on the bedroom floor with masking tape.

Then walk around it.

Open your wardrobe.

Open the bedroom door.

If you're considering a drawer base, imagine the drawers fully extended.

It's a surprisingly effective way to discover whether the bed you've chosen is really appropriate for the room.

Remember: Mattress Size Isn't Always the Same as Bed Size

A 153 cm-wide Queen mattress doesn't necessarily mean your entire bed will occupy exactly 153 cm.

A base, frame or headboard can extend beyond the mattress dimensions.

That matters particularly when you're considering a larger King, Super King or California King.

Before purchasing, check the dimensions of the mattress, base, headboard and complete bed frame rather than relying solely on the mattress measurements.

What Is a Zipped Mattress?

A zipped mattress uses mattress sections designed to connect together.

There are two particularly useful reasons for considering this type of construction.

The first is access. Very large mattresses can be difficult to manoeuvre through stairs, hallways and bedroom doorways.

The second is individual comfort.

Some zipped mattresses can allow each partner to have a different comfort level while still sharing one overall bed size.

For example, one person may prefer Medium while the other prefers Firm.

Rather than forcing one person to compromise, an appropriate zipped configuration can allow both sleepers to choose the comfort they prefer.

Our Mattress Sizes at Luxury Orthopaedic Beds

Our NZ-made Orthopaedic Merino Bed is available across a broad range of sizes, including Single, King Single, Double, Long Single, Long Double, Queen, King, Super King and California King, along with selected larger zipped options.

The same core bed concept is available in four comfort choices:

Soft | Medium | Firm | Extra Firm

That means choosing your bed can be kept relatively simple.

First choose the size that works for your body and bedroom.

Then choose the comfort you prefer.

Frequently Asked Questions About Mattress Sizes in NZ

What size is a Queen mattress in NZ?

A Queen mattress is generally approximately 152–153 cm wide × 203 cm long.

What size is a King mattress in NZ?

A typical NZ King is approximately 167–169 cm wide × 203 cm long.

Is a King longer than a Queen?

Generally, no. Queen and King mattresses in New Zealand are commonly around 203 cm long. A King mainly gives you additional width.

What size is a Super King in NZ?

A Super King is generally around 183 cm wide × 203 cm long.

What size is a California King in NZ?

A commonly used NZ California King size is approximately 203 × 203 cm.

Is a Double big enough for two adults?

Two adults can sleep on a Double, but the available personal sleeping space is considerably more restricted than on a Queen, King or Super King.

Are NZ mattress sizes the same as Australian sizes?

Not necessarily. Mattress-size names and dimensions vary between countries, so compare the actual centimetre measurements rather than relying on names alone.

Do all NZ mattress manufacturers use exactly the same dimensions?

No. Published measurements can vary slightly between manufacturers, so always check the dimensions of the mattress you're actually purchasing.

The Bottom Line

Choosing the right mattress size isn't simply about buying the biggest bed that will fit through your bedroom door.

Think about who will be sleeping in it, how tall they are, how much personal sleeping space they prefer and how much usable room you want to retain around the bed.

Then consider access, furniture, wardrobes, bed-base drawers and the overall dimensions of the complete bed.

The right mattress size should give you a comfortable amount of sleeping space without making the rest of your bedroom difficult to use.

At Luxury Orthopaedic Beds, our NZ-made Orthopaedic Merino Bed is available from compact individual sizes right through to King, Super King and California King, with selected zipped configurations also available.

Choose your size. Choose your comfort.