Review Of How Big Is A 12X18 Poster References
Review Of How Big Is A 12X18 Poster References . 24” x 36” (61 x 91 cm) this is the most standard poster size. Web the 12 x 18 format measures 305 x 457 mm or 12 x 18 inches. Regular (12x18") Posters from christopherhemsworth.ecwid.com Click the following link for us billboard poster sizes. If you went with 2″ borders all the way around, the outside mat dimensions, and inside frame dimensions. There are a few things to consider when determining how big a 12x18 poster is.