21p
Only one postage stamp is needed. However, it needs to be for 98 cents.
99 cents in a standard envelope.
As of August 2013, a regular letter from the USA to the Philippines requires $1.10 postage. Additional charges may apply for letters outside the regular size limits, rigid objects, insurance, or special services.
Postage to Europe from the US is 98 cents for a one-ounce letter.
To reach the letter in proper place
3
Domestic postage is $1.39 for an ordinary envelope of uniform thickness.
$0.33 for a small one or $0.46 for a big one. Wow!
This depends on where you are mailing the letter from, and the dimensions and weight of the letter.
For a first class letter of one ounce to another US destination, it takes 44 cents of postage.
That will depend on where in the world the letter is being posted from.
According to the U.S. Postal Service website, it costs 98 cents to mail a letter from the US to the Philippines. It will cost more if you want speedy delivery or are sending anything larger or heavier than a plain letter envelope. Reference: http://postcalc.usps.gov/