In the UK, a king size bed is 60 inches wide and 79 inches long (that's 150cm wide and 200cm long). This guide focuses on US king size mattresses. The quick list ...

Many people opt for a double duvet to cover a double mattress, but, if a couple are sharing a double bed I'd recommend opting for a king-size duvet instead. Using a king-size duvet over a double bed ...