Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Paper size
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
=== Envelope sizes === {| class="wikitable" |+ US envelopes<ref name="PWG"/> ! Name !! inch Γ inch !! mm Γ mm !!title="aspect ratio"| AR |- ! Personal | {{size|3+5/8|6+1/2|in|mm|ar=on}} |- ! Monarch | {{size|3+7/8|7+1/2|in|mm|ar=on}} |- ! A2 | {{size|4+3/8|5+3/4|in|mm|ar=on}} |- ! #9 | {{size|3+7/8|8+7/8|in|mm|ar=on}} |- ! #10, Commercial | {{size|4+1/8|9+1/2|in|mm|ar=on}} |- ! #11 | {{size|4+1/2|10+3/8|in|mm|ar=on}} |- ! #12 | {{size|4+3/4|11|in|mm|ar=on}} |- ! #14 | {{size|5|11+1/2|in|mm|ar=on}} |} <!--PWF5101.1: 6x9, 7x9, 9x11, 9x12, 10x13, 10x14, 10x15--> {| class="wikitable" |+ US Postal Service size limitations, height Γ width Γ thickness<ref>{{cite book |publisher=United States Postal Service |url=http://pe.usps.com/text/dmm300/101.htm#6_3_1 |title=DMM 101: Physical Standards |archive-url=https://web.archive.org/web/20140426235609/http://pe.usps.com/text/dmm300/101.htm#6_3_1 |archive-date=26 April 2014 |chapter=Section 6.3.2: Postcard Dimensions |access-date=26 April 2014}}</ref> ! Mail piece ! inch Γ inch Γ inch !! mm Γ mm Γ mm |- !title="The minimal thickness is just 0.007-inch if the shorter side does not exceed 4.25 inches and the longer side does not exceed 6 inches."| Minimum | {{convert|3+1/2|x|5|x|0.009|in|mm|disp=tablecen|sigfig=3}} |- ! Postcard maximum | {{convert|4+1/4|x|6|x|0.016|in|mm|disp=tablecen|sigfig=3}} |- ! Letter maximum | {{convert|6+1/8|x|11+1/2|x|1/4|in|mm|disp=tablecen|sigfig=3}} |- ! Flat-size maximum | {{convert|12|x|15|x|3/4|in|mm|disp=tablecen|sigfig=3}} |} This implies that all postcards have an aspect ratio in the range from {{resratio|20|17}} = 1.18 to {{resratio|12|7}} = 1.71, but the machinable aspect ratio is further restricted to a minimum of 1.30. The only ISO 216 size in the US postcard range is A6. The theoretical maximum aspect ratio for enveloped letters is {{resratio|23|7}} = 3.29, but is explicitly limited to 2.50.
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)