General Poster Sizes:

There are 3 different sizes of movie posters that were commonly provided to cinemas to be used as promotional material:

A Daybill is a slimline poster - approx. 37cm (wide) X 74cm (high)

A One Sheet is a slightly larger poster - approx. 68cm (wide)  X 102cm (high)

A Three Sheet is the largest poster - approx. 105cm (wide) x 200cm (high)

However.. there were some custom sizes put out from time to time, which we have listed as Unique Sizes as well as Photo Sheets & Stills!