Our standard calendars come in the following sizes: Single & double sided tent desk calendars – 210mm x 99mm A5 flip desk calendars – 210mm x 148mm A4 wall calendars – 297mm x 210mm Fridge magnet calendars – 99mm x 210mm A2 desk pad calenders – 594mm x 420mm A1 wall calendars – 841mm x 594mm