What Size is a6 Envelope?

Are you wondering what size an A6 envelope is? You’re not alone! Many people are unsure of the dimensions of this popular envelope size.

Here at The Paper Mill Store, we’ve got the answer for you. An A6 envelope measures 4 3/4 inches x 6 1/2 inches. So now you know!

Keep this information in mind the next time you’re sending out mail. And if you need any more envelope sizes, we’ve got you covered

Checkout this video:

Standard Envelope Sizes

There are many standard envelope sizes, but the most common is the A6 envelope. This size is usually used for invitations, thank you cards, and other greetings. The A6 envelope is a great choice for mailing because it is not too big or too small.


A6 envelopes measure 4 3/4″ x 6 1/2″, making them a half-size envelope. A6 envelopes are perfect for enclosing 4″ x 6″ photos, invitations, and greeting cards for all occasions. A6 envelopes will fit in a standard commercial #10 envelope for mailing.