* Updated Tuesday, January 16, 2018 3:14:13 pm Atlanta time - Weather by CustomWeather, Â© 2018
A full size bed is also known as a double bed. The sheet measurements vary slightly between US and UK.  In the US a flat sheet for a full size bed would be 221cm x 259cm. A fâ¦itted sheet would be 137cm x 193cm x 20cm.  In the UK a flat sheet would be 220cm x 260cm and a fitted sheet would be 135cm x 190cm x 20cm.
A double bed is the same as a full size bed and is about 74 inches by 53 inches according to these best rated double / full bed mattresses: http://www.amazon.com/s/ref=sr_nr_n_2?fs... So that's how big a double bed is. Just for comparison, a queen size bed is about 80 by 60 so roughly 6 inches longer and 7 inches wider so not too much of a big difference but for some people, it's just enough to feel like they have plenty of room.