If you’ve ever bought a deck of cards and wondered why some feel wider or taller than others, you’re not alone. Understanding playing card dimensions is helpful for card games, magic tricks, graphic design, printing, and storage. In this guide, we’ll clearly explain standard card sizes, measurements, and why they matter without any confusing jargon.

What Are the Standard Playing Card Dimensions?

Standard Playing Card Size (Quick Answer)

Q: What are the standard playing card dimensions?
A: Most standard playing card sizes 2.5 × 3.5 inches (63.5 × 88.9 mm).

This size is known as poker size, and it’s the most commonly used worldwide.

Common Playing Card Sizes Explained

Poker Size Playing Cards

Dimensions:

• 2.5 × 3.5 inches

• 63.5 × 88.9 mm

Best for:

• Poker and casino games

• Magic tricks

• Cardistry

• Most commercial decks

Poker-size cards are wider, making them easier to read when holding multiple cards.

Bridge Size Playing Cards

Dimensions:

• 2.25 × 3.5 inches

• 57 × 88.9 mm

Best for:

• Bridge and similar games

• Players with smaller hands

Bridge cards are slightly narrower, which makes them easier to fan.

Playing Card Dimensions Comparison

Playing Card Thickness & Weight

How Thick Is a Playing Card?

• Average thickness: 0.3 mm

• Weight per card: 1.8–2.5 grams

• Deck weight: 90–100 grams

Thickness can vary based on:

• Paper stock

• Coating (linen or smooth)

• Brand quality

Why Playing Card Dimensions Matter

Understanding card measurements helps with:

• Game comfort: Easier shuffling and holding

• Printing & design: Correct bleed and margins

• Card sleeves: Proper fit

• Storage boxes: No bending or damage

Custom Playing Card Sizes

Custom decks may vary, but most printers recommend:

• Staying close to poker size for compatibility

• Adding ⅛ inch bleed for printing

• Using rounded corners (⅛ inch radius)

Always check printer guidelines before finalizing designs.

Metric vs Imperial Measurements

Playing Card Size in Inches vs Millimeters

• Inches: 2.5 × 3.5

• Millimeters: 63.5 × 88.9

Both measurements describe the same standard poker-size card.

FAQ: Playing Card Dimensions

Are all playing cards the same size?

No. Poker and bridge sizes are the most common, but mini and novelty sizes exist.

What size are Bicycle playing cards?

Bicycle cards are poker size (2.5 × 3.5 inches).

Are playing cards the same worldwide?

Most countries use poker size, but some regions prefer bridge size.

Do card sleeves fit both sizes?

No. Sleeves are size-specific, so always match sleeve size to card size.

Key Takeaway & CTA

The standard poker card dimensions are 2.5 × 3.5 inches, known as poker size.
Knowing this helps you choose the right cards, sleeves, and storage—and design decks that feel professional.

? Tip: Before buying accessories or printing cards, always confirm the exact card dimensions.