Mattress Size Guide

Not sure if you need a standard or bespoke mattress? Check the size of our standard and EU mattresses below.

Mattress Size Guide

Sleep is essential to everyone’s health and well-being, but how many of us realise that the space where we choose to sleep has not necessarily changed in size since we were babies in the cradle? The width of the average cot is approximately 75cm. A standard double bed, one of the most popular sizes in the UK, measures 137cm wide. If you share your bed that’s just 68.5cm each! The fact is, the more space you have to sleep in, the better your night’s rest will be.

Here’s a basic guide to mattress/bed sizes to help you make the most of your bedroom space. We recommend you should always work in metric for the most accurate measurements, but if you prefer feet and inches, then we have listed the nearest equivalent size to help you.

All other size mattresses are available upon request or visit our bespoke mattress and bespoke mattress topper page for further information. For information on IKEA sizing visit our IKEA Mattresses and Toppers size guide page.

Standard UK Mattress Sizes

SizeMetric (cm)
Length x Width
Imperial (inch)
Length x Width
Small Single190 x 7575" x 30"
Single190 x 9275" x 36"
Small Double
190 x 12275" x 48"
Double190 x 13775" x 54"
King198 x 15278" x 60"
Super King198 x 18378" x 72"

EU Mattress Sizes

SizeMetric (cm)
Length x Width
Imperial (inch)
Length x Width
Single200 x 9078.7" x 35.4"
Double200 x 14078.7" x 55.1"
King200 x 16078.7" x 63"
Metric (cm)
Length x Width
Imperial (inch)
Length x Width
UK Sizes
UK small single
190 x 75 cm
75" x 30"
UK single
190 x 92 cm
75" x 36"
UK Small Double
190 x 122 cm
75" x 48"
UK Double
190 x 137 cm
75" x 54"
UK King
198 x 152 cm
78" x 60"
UK Super King
198 x 183 cm
78" x 72"
EU Sizes
EU single
200 x 90 cm
78.7" x 35.4"
EU Double
200 x 140 cm
78.7" x 55.1"
EU King
200 x 160 cm
78.7" x 63"