Business cards are a crucial tool for professionals to introduce themselves and their services. The size of a business card can vary significantly across different regions due to differences in measurement systems and cultural preferences. In this article, we will explore the standard sizes of business cards​ in various countries, focusing particularly on the size in centimeters.

Business cards serve as a vital tool in professional networking, allowing individuals to share their contact information and make a lasting impression. The dimensions of business cards vary by region, but understanding the standard sizes is crucial for effective design and usability. This article explores the dimensions of standard business cards​, variations across different regions, design considerations, and answers to frequently asked questions.