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This blog is for sharing a love of paper crafting. You can also check out my Pintrest pages. If you find the ideas here to be helpful, I'd love to hear from you. It is what helps make the time I put into this blog feel worthwhile, and always brightens my day. I love hearing your ideas too!

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Saturday, March 25, 2017

Post Office Requirements

I've decided to add the US post office requirements for 1st class envelopes to my blog where I can find them!  (I just spent WAY too long searching the USPS site for this information.)  Since I make my own envelopes and card bases at times, I want to remember the ratio required to be classed as "rectangular".  And for pricing, I need to remember other things on this list.  SO, as of their web-site on 3/25/2017:


Standard Sized Envelopes
Envelopes must be rectangular to qualify for letter prices.  This means that the aspect ratio of the envelope (length divided by height) is at least 1.3 and not more than 2.5.

Size Requirements

Minimum
Maximum
Height
3 1/2"
6 1/8"
Length
5"
11 1/2"
Thickness
0.007"
1/4"
Weight
None
N/A

Non-Standard Sized Mail - like square or vertical envelopes, lumpy or rigid envelopes, or mail with clasps, string, or buttons, cannot use our automated processing machines. Hand-cancelled mail is charged a non-machineable surcharge.

I've used these measurements to create a table for my own use.  

I make NO GUARANTEES that I did the math correctly, or that the numbers here represent current post office requirements.  I'm simply posting it here for your use, but strongly encourage you to double-check my math (rounded to 1/8" increments) and the current post office regulations for yourself!


Rectangle Requirements for U.S. Post Office

Envelope size (approximate card size)
HEIGHT
        APROX. MIN. LENGTH
APPROX. MAX. LENGTH
3 ½”  (3 ¼”)
5” (4 ¾”)
8 ¾” (8 ½”)
3 ¾”  (3 ½”)
5” (4 ¾”)
                9 3/8” (9 1/8”)
4” (3 ¾”)
5 ¼” (5”)
                   10” (9 ¾”)
4 ¼” (4”)
5 3/4” (5 ½”)
                 10 ½” (10 ¼”)
4 ½” (4 ¼”)
5 7/8”  (5 5/8”)
                    11 ¼” (11”)
4 ¾” (4 ½”)
6 1/4” (6”)
11 ½” (11 ¼”)
5” (4 ¾”)
                    6 ½” (6 ¼”)
11 ½” (11 ¼”)
5 ¼” (5”)
6 7/8” (6 5/8”)
11 ½” (11 ¼”)
5 ½” (5 ¼”)
7 ¼” (7”)
11 ½” (11 ¼”)
5 ¾” (5 ½”)
7 3/8” (7 1/8”)
11 ½” (11 ¼”)
6” (5 ¾”)
7 ¾” (7 ½”)
11 ½” (11 ¼”)
6 1/8” (5 7/8”)
7 7/8” (7 5/8”)
11 ½” (11 ¼”)
 

2 comments:

Becca Sadler said...

Thanks, Cheryl! I appreciate you taking time to post these mailing postage requirements!!!

Rosie Guiher said...

Great info Cheryl! Thanks