What is a standard envelope size? What size is a standard white envelope?
How big is a #9 envelope? What are the dimensions of a #10 envelope?

With so many different sizes and types of envelopes, it can be difficult to tell what they all mean and when to use each one, so we put together this guide to the most common envelopes and how to choose which might be best for you!

Name Nickname Size Max Insert Size Common for:
Announcement
A2 The Note Card 4 ⅜ x 5 ¾ 4 ¼ x 5 ½ Notecard-sized invites and greeting cards
A6 The Invitation 4 ¾ x 6 ½ 4 ½ x 6 ¼ Invitations, thank you cards, greeting cards, etc.
A7 The Photo 5 ¼ x 7 ¼ 5 x 7 5×7 photos, postcards, invitations, etc.
A9 The Half Sheet 5 ¾ x 8 ¾ 5 ½ x 8 ½ Large invitations, a sheet of paper folded in half
A10 The Oversized Invitation 6 x 9 ½ 5 ¾ x 9 ¼ Larger greeting cards
*Special order only
Commercial
#10 The Classic 4 ⅛ x 9 ½ 4 x 9 ¼ Letters, business checks, invoices
#9 The Return Envelope 4 x 9 3 ¾ x 8 ½ Return envelopes or any envelopes that need
to fit in a #10
Booklet/Catalog
6 x 9 The Short Stack Holder 6 x 9 5 ¾ x 8 ¾ Can fit stacks of smaller paper
9 x 12 The Stack Holder 9 x 12 8 ¾ x 11 ¾ Can hold stacks of 8 ½ x 11 paper

Any of these envelope sizes and more can be found at Nebraska PrintWorks, so come in today so we can find the perfect size for whatever your occasion.