Hardside Bed Dimensions

 Outside dimensions of a wood frame waterbed.

• All sizes have a length of 7' 11".

• Widths are King 6' 3", Queen 5' 3" and Super Single 4' 3". 

•  Headboard tops usually extend an extra 1 1/2" for decorative purposes on both sides so add 3". 

 Inside dimensions of a wood frame waterbed.

• King 6' x 7'

• Queen 5' x 7'

• Super Single 4' x 7'