Headboard size information.

Single Size Headboards

75cm headboard is equivalent to a small single size 2ft 6` bed

90cm headboard is equivalent to a standard single size 3ft bed

100cm headboard is equivalent to a special large single size 3ft 3` bed

107cm headboard is equivalent to a special large size 3ft 6` bed

Double Size Headboards

120cm headboard is equivalent to a small double size 4ft bed

135 / 140cm headboard is equivalent to a standard double size 4ft 6 bed

King Size Headboards

150cm headboard is equivalent to a standard king size 5ft bed

165cm headboard is equivalent to a special large king size 5ft 6` bed

Super King Size Headboards

180cm headboard is equivalent to a standard superking size 6ft bed

200cm headboard is equivalent to a special superking size 6ft 6` bed

Emperor Size Headboards

215cm headboard is equivalent to an emperor special size 7ft bed

Also some helpful information is the distance between the headboard fixing holes on your divan bed

3ft Single headboard = distance between holes = 24" = 610mm
4ft Small Double headboard = distance between holes = 36" = 915mm
4ft 6" Double headboard = distance between holes = 42" = 1067mm
5ft King Size headboard = distance between holes = 48" = 1219mm
6ft Super King Size headboard = distance between holes = 60" = 1524mm