If its US domestic and a standard letter it costs 59 cents First Class. If the item is rigid or in an odd sized envelope it costs 79 cents First Class. You can calculate your postage at http://postcalc.usps.gov/.
4.2 oz
, Could you please tell me how much postage I would need to mail a large envelope weighing 4.3 OZ to the UK?
7.2
61 cents
67.43$
It costs 78 cents, so two first class stamps (44 cents each) will cover it.
3.000000000
A standard size envelope of one ounce or less is delivered within the US for 44 cents.
$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.
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