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How to Choose the Right Bed Mattress Size

by DarahAlbesa
The King is one of the types of bed mattress sizes you can buy from NZ’s leading mattress stores.

How to Choose the Right Bed Mattress Size

Aside from firmness and material, size matters when choosing a mattress. A mattress’s dimension determines how you will experience the product. For this reason, leading manufacturers follow standard bed mattress sizes in NZ, specifically designed for Kiwis.

With this universal standard, mattresses made in New Zealand will perfectly fit any bed base. If you’re planning to buy a new mattress, this article will help you find the perfect size according to your needs.

In the following sections, we’ll list the standard mattress sizes and their differences. After that, we’ll look at factors you can consider when choosing the dimensions of your mattress.

Mattress Sizes You Can Choose From

Here are the standard mattress dimensions, size categories, and corresponding width and length.


A single mattress is 920 centimetres wide and 1880 centimetres long.

Single beds are perfect for young children. Single beds are the practical option for compact spaces.

King Single

A king single mattress is 1070 centimetres wide and 2030 centimetres long.

King single-sized beds are longer and wider than regular single-sleeper mattresses. They can accommodate big kids or growing teens.


A double mattress is 1380 centimetres wide and 1880 centimetres long.

If you buy a double mattress in NZ, it is perfect for sharing with a co-sleeper, especially if they’re a child or pet.


A single mattress is 1530 centimetres wide and 2030 centimetres long. Queen beds are ideal for couples or two adults.

The larger dimension provides extra room for moving around, perfect for those who like a bit of extra legroom.


A king mattress is 1670 centimetres wide and 2030 centimetres long. King beds are the universal size to fit master bedrooms.

Kings are best for couples who want to enjoy ample sleeping space to spread out.

Super King Bed

A super king mattress is 1830 centimetres wide and 2030 centimetres long.

Super king mattresses have the same length as regular king-sized mattresses. However, a super king comes with extra width for couples or adults to move around.

Factors to Consider When Deciding on Bed Mattress Size

If you want to buy a mattress from your trusted NZ manufacturer, consider the following factors.

Bedroom Size

As mentioned earlier, the sizes listed earlier are New Zealand standards. They may differ from country to country. It’s best to take measurements of your bedroom before purchasing a mattress online to ensure your bed will work with the size of your bedroom.

The Sleeper

People come in different shapes and sizes, so consider the unique needs of the sleeper in question when deciding which size to get. It pays to understand their preferences to ensure good-quality sleep.

Additional Expenses

If you’re planning to replace your old mattress, prepare to spend some money on a new base and linens too. While it may sound costly, trust us that it’s a practical investment. Good sleep is priceless and will enhance the quality of your life overnight.

Growing Household

Lastly, think long-term. If you’re planning to grow your family someday, perhaps get a new pet or find a partner, it’s only practical to get a larger bed. Your future self will thank you for it!

Hopefully, this article will help you pick the right-sized mattress. Sleep well!

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