depends on the size and weight
$0.95 if it's a regular envelope; $1.50 if it bends easily and in a larger envelope; $2.12 if it's rigid or more than 1/4 in. thick and in a larger envelope.
The cost to mail a manila envelope will depend on the size of the envelope and the weight of the envelope. The average cost to mail a manila envelope that is 8"X11" is about $2 if the contents weigh less than one pound.
The cost to mail a 5.75 x 8.75 envelope will depend on the weight of the envelope. As of May 2014, the cost to mail a standard letter is 49 cents.
It currently costs 44 cent to mail a regular envelope, which is the price for a stamp.
It does not cost very much in order to ship a standard piece of US mail in a padded envelope. The cost of shipping standard US mail in padded envelopes can cost as little as $3.
5.25 X 5.25 envelope
1.00$
That will depend which country you are in, the destination of the envelope, and by which method you are mailing it.
About six dollars
61 cents
The cost will depend upon the size and also the weight of the envelope. Also if it is first class or second class mail, and the country you live in. If you are in UK you can go to Royal Mail website and get the exact price of the cost but you need the weight of the envelope.
, Could you please tell me how much postage I would need to mail a large envelope weighing 4.3 OZ to the UK?