Bed & Mattress Sizes FAQ

All your questions answered.

Bed and mattresses range in size from single bed mattress, three-quarter and double bed mattress sizes to the larger sizes like the king and queen mattress sizes. There are even extra length bed and mattress sizes available.

Yes, check The Mattress Warehouse’s Bed and Mattress Size Guide for more details about dimensions and beds for sale.

A standard single bed or mattress size is 91 cm wide x 188 cm length

Three-quarter bed or mattress size is 107 cm wide x 188 cm length

A double bed or mattress size is 137 cm wide x 188 cm length

A queen bed or mattress size is 152 cm wide x 188 cm length

The luxurious king bed or mattress size is 183 cm wide x 188 cm length

An extra length bed/mattress is 200 cm in length

The most popular size of a baby cot mattress is 1300 x 660 x 10cm.

Mattress firmness refers to the comfort level of a mattress. Check our Mattress Firmness Guide and find the best bed brands for your sleep needs.

Mattress support refers to the structure of the mattress. Mattress support is important to consider when choosing the best mattress for your sleep style.

There are many types of mattresses for sale. Side sleepers are recommended to choose a level 4 or 5 firmness, back sleepers are advised to try a level 1 or 2, and stomach sleepers can look at a level 2 or 3.

This will depend on your specific medical condition. It’s also important to consider both mattress firmness and mattress support if you suffer from back pain. Consult a medical professional or contact our expert salespeople for more information.

We recommend a king or queen size mattress for couples in the main bedroom.