Size	Imperial	Metric
Small Single	2'6" x 6'3"	75cm x 190cm
Long Small Single	2'6" x 6'6"	75cm x 200cm
Single	3' x 6'3"	90cm x 190cm
Small Double	4' x 6'3"	120cm x 190cm
Double	4'6" x 6'3"	135cm x 190cm
King Size	5' x 6'6"	150cm x 200cm
Super King	6' x 6'6"	180cm x 200cm
Emperor	6'6" x 6'6"	200cm x 200cm
European Small Single	2'8" x 6'6"	80cm x 200cm
European Single	3' x 6'6"	90cm x 200cm
European Double	4'7" x 6'6"	140cm x 200cm
European King Size	5'3" x 6'6"	160cm x 200cm
Cot Mattress	3'9" x 1'9"	120cm x 60cm
Cot Bed Mattress	4'6" x 2'3"	140cm x 70cm
Adjustable Small Single	2'6" x 6'6"	75cm x 200cm
Adjustable Single	3' x 6'6"	90cm x 200cm
Adjustable Small Double	4' x 6'6"	120cm x 200cm
Adjustable Double	4'6" x 6'6"	135cm x 200cm

All conversions are approximate.