Mattress size guide If you are going to reside in other country, following mattress size inforamtion may be helpful for you. North America (USA) standard mattress size: Single/Twin Size: 39in x 75in (99cm x 191cm) Twin XL: 39in x 80in (99cm x 203cm) Double/Full Size: 54in x 75in (137cm x 191cm) Queen Size: 60in x 80in (152cm x 203cm) King Size: 76in x 80in (198cm x 203cm) California King: 72in x 84in (183cm x 213cm) (Note: revised according to Greg's suggestion from USA, Thank you so much Greg) North America (Canada) standard mattress size: (please kindly check from http://www.tmasc.ca/mattress-sizes.html) Crib 28 x 51" 71.1 x 129.5 cm Half Queen 30 x 79 1/2" 76.2 x 202 cm Twin/Single 38 x 741/2" 96.5 x 189 cm Twin/Single Extra Long (XL) 38 x 791/2" 96.5 x 202 cm Also known as "Twin Long" Double/Full 53 x 74 1/2"134.5 x 189 cm Also known as "Standard" Queen RV (Most RV's) 60 x 74 1/2" 152.5 x 189 cm Queen 60 x 79 1/2" 152.5 x 202 cm California King (Western King)1 72 x 84" 183 x 213 cm King (Eastern King) 76 x 79 1/2" 193 x 202 cm Australia mattress size: Single size: 36in x 74in (92cm x 187cm) King Single: 42in x 80in (106cm x 203cm) double size: 54in x 74in (137cm x 187cm) Queen Size: 60in x 80in (153cm x 203cm) King Size: 72in x 80in (183cm x 203cm) UK and ireland mattress size: Smal single: 30in x 70in (75cm x 180cm) Single size: 36in x 75in (90cm x 190cm) Small double:48in x 75in (120cm x 190cm) Double size: 54in x 75in (135cm x 190cm) King size: 60in x 80in (150cm x 200cm) Super King: 72in x 80in (180cm x 200cm) Mainland European mattress size Italy mattress size: Una piazza or singolo: 35in x 79in (90cm x 200cm) Una piazza e mezza: 47in x 79in (120cm x 200cm) Piazza francese: 55in x 79in (140cm x 200cm) Due piazze (which means "double") or matrimoniale (for married people): 63in x 79in (160cm x 200cm) Norway mattress size: >Small Single size: 30in x 79in (75cm x 200cm) Single size: 35in x 79in (90cm x 200cm) Large single: 47in x 79in (120cm x 200cm) Queen size: 60in x 79in (150cm x 200cm) King size: 71in x 79in (180cm x 200cm) Asian mattress size: Japan mattress size: Small Single: 33in x 77in (85cm x 195cm) Standard Single:38in x 77in (97cm x 195cm) Super Single: 43in x 77in (110cm x 195cm) Small Double: 47in x 77in (120cm x 195cm) Double size: 55in x 77in (140cm x 195cm) Wide double: 60in x 77in (154cm x 195cm) Queen size: 67in x 77in (170cm x 195cm) King size: 76in x 77in (194cm x 195cm) Long King: 76in x 80in (194cm x 205cm) Singapore and Malaysian mattress size: Single size: 36in x 75in (90cm x 190cm) Super single: 42in x 75in (107cm x 190cm) Queen size: 60in x 75in (150cm x 190cm) King size: 72in x 75in (180cm x 190cm) Thailand mattress size: Single size: 42in x 78in (107cm x 198cm) Small double:48in x 78in (120cm x 198cm) Queen size: 60in x 78in (150cm x 198cm) King size: 72in x 78in (180cm x 198cm) China mattress size: Single size: 39in x 75in (99cm x 190cm) Small double: 48in x 75in (120cm x 190cm) Queen size: 60in x 79in (150cm x 200cm) King size: 72in x 79in (180cm x 200cm) Korea mattress size: Single size: 39in x 79in (100cm x 200cm) Super Single: 43in x 79in (110cm x 200cm) Queen size: 60in x 79in (150cm x 200cm) King size: 65in x 79in (165cm x 200cm) South African mattress size: Single size: 91.5cm x 188cm Super Single: 107cm x 188cm Double size: 137cm x 188cm Queen size: 152cm x 188cm King size: 183cm x 188cm If there is any incorrect mattress size information, please kindly contactSweet Homefor further action.