Business cards are a fundamental tool for professional networking. Adhering to standard dimensions ensures successful printing and universal use, allowing cards to fit into wallets and cardholders globally. Understanding these measurements and design specifications guarantees a polished, high-quality outcome.
The Most Common Standard: US and Canadian Dimensions
The most widely accepted size for a business card in North America is 3.5 inches by 2 inches. This rectangular dimension is the default standard used by the majority of printers and designers in the United States and Canada. The metric conversion is 88.9 millimeters by 50.8 millimeters, which is the final trimmed size. This established size is preferred because it is compact and often slightly smaller than a standard credit card. Designing to this exact measurement simplifies the printing process and is generally the most cost-effective option.
International Standards (ISO Sizes)
Outside of North America, business card dimensions often align with International Organization for Standardization (ISO) specifications. A common size used across much of Europe and parts of Asia is 85 millimeters by 55 millimeters. This size converts to approximately 3.346 inches by 2.165 inches, making it slightly narrower but taller than the US standard. These dimensions are similar to the ISO 7810 ID-1 format, the standard size for credit and debit cards. Regional adherence to these metric ISO standards drives the variation from the North American size.
Essential Digital Dimensions for Printing
When preparing a card for printing, the digital dimensions are as important as the final physical size. The industry standard for print resolution is 300 Dots Per Inch (DPI) to ensure text and images are sharp. For a standard 3.5-inch by 2-inch US card, this resolution requires a pixel size of 1050 pixels wide by 600 pixels high. Using a lower resolution, such as 72 DPI, is acceptable for screen viewing but results in a blurry appearance when printed. This minimum 300 DPI resolution is necessary to achieve high-quality results.
Practical Design Elements Related to Size
Successful business card design requires planning for the physical trimming process by using both a bleed and a safety margin.
The bleed is an extra margin of design that extends beyond the card’s final cut line, typically 0.125 inches on all sides. This extra space provides a buffer for the mechanical cutting process, ensuring that if the blade shifts slightly, no unprinted white edges appear on the finished card.
The safety margin, or safe zone, is an interior border where all essential elements like text and logos must be placed. This area is set at least 0.125 inches inside the final trim line to prevent important content from being accidentally cut off or positioned too close to the edge.
For a standard 3.5-inch by 2-inch card, the overall canvas size, including the bleed, would be 3.75 inches by 2.25 inches. Considering both the bleed and the safety zone ensures the card is printed correctly.

