Folded business cards

Updated 2026-10-12

A folded business card offers a unique way to present your information by revealing a second layer of details, such as a vCard, contact list, or QR code, only after the recipient unfolds it. This format transforms a static piece of stationery into a small interactive object. To execute this correctly, you must understand how the physical dimensions change when the card is folded and how to structure your file for the printer.

Dimensions and Geometry

Standard business cards vary by region, but the most common base size in the United States and Canada is 3.5 × 2 inches (88.9 × 50.8 mm). In the UK and much of Europe, the standard is 85 × 55 mm. When you fold a card, you are essentially halving one of these dimensions.

If you fold a standard US card in half vertically (creating a “booklet” style), the resulting dimensions are approximately 1.75 × 2 inches. If you fold it horizontally, it becomes 3.5 × 1 inch. For a standard EU card (85 × 55 mm), a vertical fold results in roughly 42.5 × 55 mm.

It is critical to note that the “finished” size of a folded card is the folded size, not the flat size. If you design a 3.5 × 2 inch card and fold it, you are no longer working with a 3.5 × 2 inch canvas; you are working with a 3.5 × 2 inch sheet that will be creased. Your design must account for the fact that the fold line is a physical stress point.

Bleed and Safe Area

Because the card is folded, the bleed requirements become more complex. In Malaysia, a bleed of 1.5 mm beyond the trim line on all sides is common (some printers use 2 mm). However, for a folded card, you must ensure that any background color or image that extends to the edge of the unfolded sheet also extends to the edge of the folded halves.

• Trim: The final cut size of the unfolded sheet (e.g., 3.5 × 2 in).
• Bleed: Extend your background 1.5 mm beyond the trim on all four sides of the unfolded sheet.
• Safe Area: Keep all text and critical logos at least 3–4 mm away from the trim and at least 5–10 mm away from the fold line. The fold line is not a safe area; it is a deformation zone. If you place text too close to the fold, it may be obscured by the crease or become difficult to read due to the curvature of the paper.

Paper Weight and Fold Mechanics

The weight of the paper, measured in GSM (grams per square metre) or pounds (lb), dictates how the card folds. Business cards are commonly printed on 300–400 GSM stock.

• 300 GSM (approx. 0.36–0.39 mm / 14–15 pt): This weight is flexible enough to fold cleanly without cracking if the fold is scored. It is suitable for most folded designs.
• 400 GSM (approx. 0.54–0.57 mm / 21–22 pt): This is a stiff, heavy stock. It holds a fold well but is prone to cracking along the fold line if not properly scored (pre-creased) by the printer.

You should specify whether you want a scored or un-scored fold. A scored fold involves a machine pressing a groove into the paper before it is folded, ensuring a crisp, clean angle. An un-scored fold relies on the paper bending naturally, which can result in a less precise crease and potential cracking on heavy stocks. For professional results, always request a scored fold for weights above 300 GSM.

Design Considerations

When designing a folded card, think of it as two pages. The front cover is the first impression; the inside (revealed upon unfolding) is for detailed information. Ensure that your CMYK colors are consistent across the fold. If you are using spot UV or foil stamping, be aware that these finishes cannot cross the fold line. They must be applied to the flat surfaces before the card is folded.

FAQ

Do I need to design the card unfolded or folded? You must design the file as the unfolded sheet (e.g., 3.5 × 2 in). You then place the content for the “front” on one half and the “inside” on the other half, accounting for the fold line in the center.

Can I use a QR code on a folded card? Yes, but place the QR code on a flat surface, not on the fold. Ensure the QR code is at least 2 × 2 cm in size and has sufficient error correction (Level H) to tolerate any minor print imperfections.

What is the difference between a scored and un-scored fold? A scored fold is pre-creased by a machine, resulting in a sharp, professional edge. An un-scored fold is bent manually or mechanically without a pre-crease, which may look softer but can crack on heavy paper.

Sources

• ISO/IEC 7810:2019 — Identification cards: physical characteristics
• ISO 536:2019 — Paper and board: determination of grammage