What are the dimensions of each duvet size? Rebecca Leonard February 07, 2018 20:46 Updated Follow Size Metric Imperial Cot Bed Duvets 120cm x 150cm 3ft 11" x 4ft 11" Single Duvets 135cm x 200cm 4ft 5" x 6ft 7" Double Duvets 200cm x 200cm 6ft 7" x 6ft 7" King Size Duvets 230cm x 220cm 7ft 7" x 7ft 3" Superking Duvets 260cm x 220cm 8ft 6" x 7ft 3" Emperor Duvets 290cm x 235cm 9ft 6” x 7ft 8” Related articles What size duvet should you get based on the size of your bed? What tog should you get if you share a bed? What size duvet should you get if you share a bed? What is an all seasons duvet? What size duvet should you get for a new born, baby and toddler? Comments 0 comments Please sign in to leave a comment.