What is the point (pt) thickness of the paper in printed envelopes?

Updated 7 months ago by fitri.agarwal@4over4.com

Envelopes are not referenced by point thickness. They are referenced by lbs. ( # )

So a standard envelope is 24# and made with white wove paper. That is why you may sometimes see a printer referencing an envelope as "24# WW" or simply "24WW"

Almost 90% of all commercial envelopes, such as #10, #9, #7, # 6 3/4, # 6 are made as 24# WW.

When it comes to invitation envelopes for social announcements, like the A2, A7, A9, A10, etc, thicker papers are often used. It is common to see 28# WW and well as 32# WW.

Not to complicate matters but there are two standards of numbers used to describe the thickness of text paper and beyond slight subtleties, there is no differences between the two!

  1. 20# is the same as 50#
  2. 24# is the same as 60#
  3. 28# is the same as 70#
  4. 32# is the same as 80#

Take 24 lb (#) paper and 60 lb (#) paper. They're the same thickness, same texture, and same weight; they're used for the same thing and interchangeable when you order printing. They're two different names and numbers for the same sheet of paper.

Finally, even though envelopes are referenced in lbs. as mentioned above, for those who are interested to know how 20#, 24# or 28# translates into points, here you go!

  • 20# = 50# = 4-points
  • 24# = 60# = 5-points
  • 28# = 70# = 6-points

If you are looking for a commercial or invitation envelope other than tradtional 24WW (ie: thicker, peel and seel, or a different color), please contact our Support Team to assist in pricing and placing this order. Please make sure to provide as much information as possible for us to be able to get back to you quickly with a detailed response.


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