The Monarch paper size has compact dimensions of 7.2 inches (184 mm) wide by 10.5 inches (267 mm) high, equating to a small total surface area of just 75.6 square inches per sheet. With proportions close to American Index Card size, Monarch sheets have traditionally served well for basic note taking, flash cards, recipe cards, lightweight stationery writing, and other concise paper needs not warranting larger formats. As one of the more diminutive Imperial sizes, Monarch's origins stem from applications centered around portability for easy transport and space-savings, while still providing adequately useful area for short messages. For example, Monarch cards/sheets have commonly been preferred for portable personal medicarecord files, light correspondence mailing alongside envelopes, basic classroom worksheet handouts, and commercial index card products not requiring the area of letter or legal sizes. So despite its lesser-known Imperial status compared to common office sizes, Monarch fills a niche for compact card and sheet media use cases prizing a smaller yet still functional format.