A2 vs 5x7 Greeting Cards: Which Size Should You Print?

Choosing between A2 (4.25″ × 5.5″) and 5×7 (A7) isn’t just about measurements — it’s about the impression you want to make.

A2 delivers a compact, retail-friendly size that keeps printing and mailing costs lower. 5×7 (A7) offers more space, more presence, and a more premium in-hand feel.

Both are industry standards — the right one depends on how bold, detailed, or budget-conscious you want your project to be.

A2 vs 5x7: Quick Comparison

What Is an A7 Greeting Card?

An A7 greeting card is the standard name for a card that measures 5 × 7 inches when folded. In the stationery world, “A7” usually refers to the envelope size used for 5×7 cards, which is why the two terms are often used interchangeably.

A7 cards are one of the most popular greeting card sizes because they provide plenty of space for artwork, photographs, and messages while still being easy to mail. They are commonly used for invitations, holiday cards, and premium greeting cards.

Choose A2 (4.25×5.5) If You Prefer

• Lower printing & mailing costs — A compact size that keeps budgets and postage in check.
• A retail-friendly greeting card size — Fits standard card racks and displays beautifully.
• Easy bundling for artists — Perfect for card sets (4-packs, 6-packs) and market sales.
• A clean, minimalist look — Great when your design shines without needing extra space.
• Professional thank-you cards — A go-to size for branded notes and customer appreciation.
• More room than “mini” cards — Enough space to write inside without feeling oversized.
• Lower shipping costs for online orders — Easier to package and ship in standard mailers.
• Simple event invitations & announcements — Ideal for showers, parties, save-the-dates, and small gatherings.

Best For

• Artists selling greeting cards in sets or at markets
• Boutiques stocking compact, rack-friendly card sizes
• Small businesses sending thank-you notes and branded inserts
• Couples planning minimalist invites for smaller weddings
• E-commerce brands adding handwritten-feeling notes to packages
• Stationery designers building clean, cohesive collections

Choose 5×7 (A7) If You Prefer

• More space for artwork — Ideal for detailed illustrations, photography, or bold layouts.
• A premium in-hand feel — Larger size creates stronger visual impact and perceived value.
• A classic wedding invitation format — One of the most popular sizes for formal events.
• Room for longer messages — Perfect for heartfelt notes, announcements, or storytelling.
• Stronger retail presence — Stands out more on display tables and in gift settings.
• Photo-focused designs — Works beautifully for holiday cards and portrait layouts.
• A more formal presentation — Feels substantial and polished for milestone occasions.
• Design flexibility — Extra space allows creative breathing room and balanced composition.

Best For

• Couples printing wedding invitations or save-the-dates
• Photographers creating holiday or client cards
• Artists selling higher-priced or statement cards
• Businesses sending premium seasonal greetings
• Event planners designing formal announcements
• Brands that want a larger, more luxurious presentation

Cost Differences

• A2 typically costs less to print and mail.
• 5×7 typically costs more due to additional paper and postage.

If budget matters most, choose A2. If presentation matters most, choose 5×7.

Envelope Sizes for A2 vs 5×7 Greeting Cards

Greeting cards typically use envelopes that are slightly larger than the folded card so the card slides in easily without bending. Here are the standard envelope sizes used for A2 and 5×7 greeting cards.

Other Common Greeting Card Sizes

While A2 and 5×7 cards are two of the most popular greeting card sizes, they are not the only options. Designers, artists, and event planners sometimes choose other card sizes depending on the artwork, mailing requirements, or overall presentation.

What About RSVP Cards?

If you're printing wedding invitations, don’t overlook the RSVP card. Most traditional RSVP or response cards measure 3.5″ × 5″, making them the perfect insert size for 5×7 (A7) invitation envelopes. This compact format provides just enough room for guest names, attendance confirmations, and meal selections without adding bulk or extra postage. Pairing 5×7 invitations with a 3.5×5 RSVP card creates a clean, coordinated invitation suite that feels complete and professionally designed.

Final Decision Guide

Pick A2 if you want affordability, easy bundling, and retail flexibility.

Pick 5×7 if you want larger artwork space and a more premium presentation.

Frequently Asked Questions

What size is an A2 greeting card?
An A2 greeting card measures 4.25" × 5.5" when folded. It is one of the most popular sizes for thank-you cards, note cards, and retail greeting cards because it is compact, affordable, and easy to mail.

What are the most common greeting card sizes?
The most common greeting card sizes include A2 (4.25" × 5.5") and 5×7 (A7). A2 cards are popular for thank-you cards and retail stationery, while 5×7 cards are widely used for invitations, holiday cards, and greeting cards that need more space for artwork or messages.

What envelope fits an A2 greeting card?
A2 greeting cards use an A2 envelope, which measures approximately 4.375" × 5.75". The envelope is slightly larger than the card so the card can slide in easily without bending.

Is 5×7 the same as A7?
Yes. 5" × 7" is the card size, while A7 is the standard envelope name used for that card size.

What envelope fits a 5×7 greeting card?
A 5×7 greeting card uses an A7 envelope, which typically measures 5.25" × 7.25". This size is widely used for invitations, holiday cards, and premium greeting cards.

Which size is better for wedding invitations?
5×7 (A7) cards are commonly used for wedding invitations because the larger format provides more space for artwork, details, and formal typography.

Which size is better for artists selling greeting cards?
Many artists prefer A2 greeting cards because they are economical to print and ship while still offering enough space to showcase artwork and messages.

What size are RSVP cards?
The most common RSVP card size is 3.5" × 5", which fits easily inside invitation envelopes and provides enough room for guests to respond.