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What Size Envelope for 6x4 Card?

By Gabriel Aug 06, 2026
Envelope Size Guide - Envelopes Sizes - Standard Envelope Sizes
Envelope Size Guide - Envelopes Sizes - Standard Envelope Sizes

When it comes to sending greeting cards, the size and shape of the envelope play a significant role in ensuring your message arrives safely and in style. So, if you're wondering "what size envelope for a 6x4 card?", you've come to the right place.

Envelope Size Guide - Envelopes Sizes - Standard Envelope Sizes
Envelope Size Guide - Envelopes Sizes - Standard Envelope Sizes

Before diving into envelope sizes, let's first understand the dimensions of your card. A 6x4 card measures 6 inches in width and 4 inches in height, a standard size for many greeting cards. Now, let's explore the ideal envelope sizes that will accommodate your 6x4 card perfectly.

the card and envelope size chart is shown in this table, which shows how to use it
the card and envelope size chart is shown in this table, which shows how to use it

Standard Envelope Sizes for 6x4 Cards

Cutter sizes are the industry standard for envelope sizes. They are named after the cutter settings used to manufacture them. When choosing an envelope for your 6x4 card, you'll want to look for cutters in the 'A' series, as they are designed to fit standard greeting card sizes.

an envelope size chart with instructions to make it
an envelope size chart with instructions to make it

Two primary cutter sizes will suit your 6x4 card: Cutter A2 and Cutter A7. Both are widely available at stationery stores and online retailers.

Cutter A2 Envelopes

Purveyor of Luxury Envelopes and Matching Cardstock - Magna Papers
Purveyor of Luxury Envelopes and Matching Cardstock - Magna Papers

Cutter A2 envelopes measure 4.125 x 5.875 inches (106 x 149 mm). They are slightly larger than your 6x4 card, providing ample space for stuffing. This extra room can come in handy if you're including a small gift or extra notes with your card.

However, be mindful that excessively large envelopes can lead to the card becoming lost inside, making it less likely to catch the recipient's eye. To avoid this, consider using a card stock that's slightly thinner than usual, or leave a little space between the card and the envelope's edge.

Cutter A7 Envelopes

A Size Guide for Our Card, Envelope and Paper Supplies
A Size Guide for Our Card, Envelope and Paper Supplies

Cutter A7 envelopes measure 3.5 x 5 inches (89 x 127 mm), making them a perfect fit for 6x4 cards. They provide a snug but comfortable fit, minimizing wasted space and making your card the star of the show.

Cutter A7 envelopes are ideal for preserving the elegance and personal touch of your greeting card. Plus, their smaller size can help reduce postage costs, making it a budget-friendly option.

Alternative Envelope Sizes

the printable envelope size guide is shown in this screenshote screengrac
the printable envelope size guide is shown in this screenshote screengrac

While Cutter A2 and A7 are the most common choices, there are other envelope sizes worth considering for your 6x4 card.

Standard #10 envelopes, measuring 4.125 x 9.5 inches (106 x 242 mm), can also accommodate a 6x4 card. However, they are generally too large and might not be the best fit visually or economically. On the other hand, smaller sizes like Cutter A6 (3 x 4.5 inches or 76 x 115 mm) might not provide enough space for your card and could potentially damage it during transit.

an envelope style and size chart
an envelope style and size chart
the instructions for how to make an origami box with numbers and measurementss
the instructions for how to make an origami box with numbers and measurementss
the instruction sheet for envelopes
the instruction sheet for envelopes
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50 FREE Envelope Templates for Every Size (PDF - Word) Sewing Pattern Envelope Template, A7 Envelope Template Free Printable, Printable Envelope Template Free, Free Envelope Template Pdf, Printable Envelope Templates Free, Envelope Templates Free, Envelope Template Word, Printable Envelope Template Word, Envelope Pdf
🔥 HOW TO make ENVELOPE for ANY SIZE CARD -  FREE CLASS, BEGINNER FRIENDLY + FREEBIE #cardmaking
🔥 HOW TO make ENVELOPE for ANY SIZE CARD - FREE CLASS, BEGINNER FRIENDLY + FREEBIE #cardmaking

Handmade and Custom Envelopes

If you're feeling creative, consider making or purchasing custom envelopes. Handmade envelopes can add a personal touch and complement your card beautifully. Just ensure that the dimensions are suitable for your 6x4 card, keeping in mind the options we've discussed above.

When ordering custom envelopes, communicate your card size and ask for suitable dimensions. Many printers offer this service and can advise you on the optimal envelope size for your needs.

In the world of greeting cards, choosing the right envelope size is crucial for protecting your message and enhancing its presentation. Armed with this knowledge, you're now equipped to confidently select the perfect envelope for your 6x4 card, whether you opt for a standard cutter size or a personalized option. Happy sending!