What Is a Double Bed Size in cm?

A double bed in the UK measures 135cm wide by 190cm long, and that is the mattress size UK bedding is cut to. This guide explains why centimetres are the safer unit to work from, since imperial equivalents such as 4ft 6in are rounded figures that can mislead when fitting a bed into a tight alcove or ordering from an overseas supplier. It lists every UK bed size in metric for quick comparison, notes that everything below king size shares the same 190cm length, and covers the often overlooked third dimension of mattress depth, which determines whether fitted sheets stay on and whether a mattress sits neatly within a frame surround. There is practical advice on walkway clearances, minimum room dimensions, measuring at floor level in older houses, checking the delivery route and stair turn, choosing between metal, wooden, upholstered and ottoman frames, and getting duvet, fitted sheet and pillowcase sizing right first time....