Playing cards are used worldwide for games, magic tricks, cardistry, and collectible card games. While most people recognize a playing card when they see one, many are surprised to learn that playing cards come in different sizes. Understanding the standard size of a playing card is important for game designers, printers, collectors, and players who want the right cards for their needs.

In this guide, you'll learn the standard playing card dimensions, the differences between poker and bridge cards, and how card size affects gameplay and handling.

What Is the Standard Size of a Playing Card?

The most common standard playing card size is:

Poker Size Playing Card Dimensions

• Width: 2.5 inches (63.5 mm)
• Height: 3.5 inches (88.9 mm)

This size is widely used for poker, blackjack, magic tricks, cardistry, and many popular card games.

Quick Answer

A standard poker-size playing card measures 2.5 × 3.5 inches (63.5 × 88.9 mm).

This is the size most people think of when referring to a standard deck of playing cards.

Why Is Playing Card Size Important?

Card dimensions influence how cards feel, shuffle, and perform during gameplay.

Benefits of choosing the correct card size include:

• Easier shuffling
• Better card handling
• Improved readability
• Enhanced gaming experience
• Consistent printing results
• Better portability

The right card dimensions can make a noticeable difference in both casual and professional settings.

Poker Size vs. Bridge Size Playing Cards

Two of the most common playing card formats are poker-size and bridge-size cards.

Poker Size Cards

Dimensions:

• 2.5 × 3.5 inches
• 63.5 × 88.9 mm

Features:

• Slightly wider
• Easier to grip
• Popular for casinos and card games
• Preferred for cardistry and magic

Bridge Size Cards

Dimensions:

• 2.25 × 3.5 inches
• 57.15 × 88.9 mm

Features:

• Narrower width
• Easier to hold large hands
• Commonly used for bridge and similar games

Key Difference

The primary difference is width. Poker cards are wider, while bridge cards are narrower.

Standard Playing Card Dimensions in Different Units

These measurements are commonly used by printers and graphic designers.

How Thick Is a Standard Playing Card?

Besides width and height, card thickness also matters.

Typical playing card thickness ranges from:

• 0.17 mm to 0.24 mm
• 280–330 GSM cardstock

Premium playing cards often use thicker cardstock for improved durability and handling.

Common Playing Card Sizes

Standard Poker Cards

• 2.5 × 3.5 inches

Bridge Cards

• 2.25 × 3.5 inches

Mini Playing Cards

• Approximately 1.75 × 2.5 inches

Jumbo Playing Cards

• Approximately 3.5 × 5 inches

Tarot Cards

• Typically 2.75 × 4.75 inches

Different card types are designed for specific purposes and user preferences.

How to Measure a Playing Card

To accurately measure a playing card:

1. Place the card on a flat surface.
2. Measure the width from edge to edge.
3. Measure the height from top to bottom.
4. Use a ruler with millimeter markings for precision.

This method helps verify dimensions for custom printing projects.

Playing Card Dimensions for Printing

If you're designing custom cards, follow these recommended specifications:

Design Size

• 2.5 × 3.5 inches

Bleed Area

• Add 0.125 inches (3 mm) on each side

Safe Zone

• Keep important text and graphics at least 0.125 inches from the edges

Resolution

• 300 DPI minimum

These guidelines ensure professional-quality printed cards.

Factors to Consider When Choosing Playing Card Size

Intended Use

Consider whether the cards will be used for:

• Gaming
• Cardistry
• Magic performances
• Educational purposes
• Promotional materials

User Comfort

Smaller hands may benefit from bridge-size cards, while poker-size cards provide a larger playing surface.

Design Requirements

Complex artwork may require larger cards for improved visibility.

Storage and Portability

Compact card sizes are easier to carry and store.

Frequently Asked Questions

What is the standard size of a playing card?

The playing card sizes 2.5 × 3.5 inches (63.5 × 88.9 mm).

Are all playing cards the same size?

No. Playing cards come in various sizes, including poker, bridge, mini, jumbo, and tarot formats.

What is the difference between poker and bridge cards?

Poker cards are wider at 2.5 inches, while bridge cards are narrower at 2.25 inches. Both share the same height of 3.5 inches.

What size should I use for custom playing cards?

Most custom card projects use the standard poker size of 2.5 × 3.5 inches.

How thick is a standard playing card?

Most playing cards range between 0.17 mm and 0.24 mm thick, depending on the cardstock used.

Can I print playing cards at home?

Yes. With quality cardstock, proper templates, and a printer capable of high-resolution printing, you can create custom playing cards at home.

Conclusion

Knowing the poker card sizes is essential whether you're purchasing decks, designing custom cards, or preparing files for professional printing. The most common playing card dimensions are 2.5 × 3.5 inches (63.5 × 88.9 mm), known as the standard poker size. Understanding these measurements helps ensure compatibility, usability, and professional results.

Ready to design or print your own deck? Start with the standard poker-size dimensions and follow professional printing guidelines for the best results.