Note: Mattress Length and Width are standard, but not the thickness of mattress.
Single
Single XL
Double
Double XL
Queen
King
Learn About Mattress Thickness
Mattress 2" thickness using as mattress topper
Mattress 4-5” thickness for trundle bed
Mattress 5-7” thickness is safe and gives good clearance for bunk
Mattress 6+" thickness using for all bed types
Single Size Mattress
Also called Twin size. Mattress size is:
Length: 74 inch or 180 cm
Width: 39 inch or 99 cm
Usage: Sleeping surface for one person with average height.
Single XL Size Mattress
Single Extra Long, or XL, mattress size is:
Length: 80 inch or 230 cm
Width: 39 inch or 99 cm
Usage: Sleeping surface for one person over 5.10" tall.
Double Size Mattress
Also called Full size. Mattress size is:
Length: 74 inch or 180 cm
Width: 54 inch or 137 cm
Usage: Sleeping surface for one person with lots of space to spare, or two people with slender built.
Double XL Size Mattress
Double Extra Long, or XL, mattress size is:
Length: 80 inch or 230 cm
Width: 54 inch or 137 cm
Usage: For tall individuals who wish to have more space than Single XL. Also can be used as alternative to queen size mattress for smaller room. Extra saving on width can go toward adding small night stand.
Queen Size Mattress
Queen mattress size is:
Length: 80 inch or 230 cm
Width: 60 inch or 152 cm
Usage: Most common size of all. Perfect for couples.
King Size Mattress
King mattress size is:
Length: 80 inch or 230 cm
Width: 76 inch or 139 cm
Usage: King size is technically same as putting two Single XL side by side. Lots of elbow room!
Odd Size Mattresses
3/4 (Three Quatrter) size mattress
Three quarter mattress size is:
Length: 75 inch or 191 cm
Width: 48 inch or 122 cm
Usage: Mainly used on antique beds since way back this was the common size. Folks were smaller a century ago.
California King size mattress
California King mattress size is:
Length: 84 inch or 213 cm
Width: 74 inch or 183 cm
Usage: Is name give any clue? We rarely use this size in Canada. It is longer and narrower than standard king size.
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