cents
Go to the site below and click on the "Calculate Postage" tab.
A 6x8 inch padded envelope will require approximately $3.00 for up to 13 ounces. The USPS website offers the tools for all calculations based on weight and envelope dimensions
1st class letter price which is 46 cents as of Oct 2013
An envelope with a height exceeding 6 and one-eighths inches, and any square envelope, is non-machinable. Therefore, the rate for first class US domestic postage is $.64.
As of August 2012, first class US postage for a 6x9 3.5oz domestic letter is $1.05.
In the US, $1.56.
99 cents in a standard envelope.
The cost is 98 cents for an ordinary one-ounce letter.
an 8x8 envelope is charged "parcel rate"..because it is square and over the letter size dimension...cant be a "large envelope" because it is not rectangular
postage fo 6.3 oz legal envelope
A regular envelope cost $1.89 to send to Mexico.
As of January 22, 2012, US Postage is 45 cents. That is valid for an one ounce machinable letter, mailed in a letter-sized envelope and no thicker than one-quarter inch. It also must not contain any rigid, such as cardboard, keys or pens.