For an envelope that weighs 5 ounces, you would need 5 Forever stamps. Forever stamps are typically for 1-ounce letters, so you would need to use multiple stamps to cover the additional weight.
As of June 10, one ounce of first class mail is 44¢. Every additional ounce is 20¢. So, a six ounce envelope would cost $1.44 to mail, or four forever stamps.
As of 2016, a 2.5 ounce envelope it would cost 93 cents (one Forever stamp plus two extra ounces).
The first ounce or less: 44 centsMore than one ounce but not over 2 ounces: 61 centsMore than two ounces but not over 3 ounces: 78 centsMore than three ounces but not over 3.5 ounces: 95 centsIf over 3.5 ounces, the letter is subject to the large envelope rate.As you letter weighs 4 ounces, but less than 5 ounces, it is subject to the large envelope rate. The large envelop rate for four ounces is $1.39. Which means you will need to use 4 forever stamps (44 cent stamps).
how much is a usa forever stamp worth
For a 2.2 oz envelope, you would typically need two Forever stamps. The first stamp covers the standard letter rate for up to 1 ounce, and the second stamp covers the additional weight up to 2 ounces. Since the 2.2 oz envelope exceeds the 2-ounce limit, an additional ounce rate applies, which requires a total of two stamps. Always check the current USPS rates to confirm, as they can change.
2 should be good. 3 to be safe.
The number of Forever stamps needed for a 7 x 5 inch envelope depends on its weight. As of my last update, a standard Forever stamp covers the cost of sending a letter up to 1 ounce. If your 7 x 5 envelope weighs 1 ounce or less, you would need one Forever stamp. If it weighs more, additional stamps may be required based on the weight and current postal rates.
THe cost is $2.03 for first-class, large envelope, not more that 1/4 inches thick. Five forever stamps would overpay by 42 cents, but would work.
how many stamps for a 3.4oz envelope
The Forever stamp is good for the postage for the first ounce of a letter. Additional ounces are less expensive. The Forever stamps were to created to prevent having to reissue stamps every time a new rate was approved.
To mail a 9 by 12 envelope within the United States, you typically need two Forever stamps, as the cost for mailing a large envelope (flats) is higher than a standard letter. As of my last update, the rate for a first-class large envelope starts at the price of a single Forever stamp, and additional postage is required for extra weight. Always check the current USPS rates, as they may change.