This document lists standard business card sizes used internationally. It provides the dimensions in both millimeters and inches for business cards from different countries and regions that follow common standards, including ISO 7810 ID-1, ISO 216 - A8, and sizes used in the United States, Canada, China, Czech Republic, France, Germany, Hungary, Italy, Netherlands, Scandinavia, Slovakia, Spain, Switzerland, United Kingdom, and Japan. The sizes vary slightly but generally range between 85-90mm wide and 50-55mm high.