How to Use a Forever Stamp and Calculate the Right Amount of Postage
1A Forever Stamp can be used to mail a standard 1 oz letter (in a rectangular envelope) regardless of any future postage rate increases. It’s a convenient option because you don’t need to worry about changing rates.
Here’s how to use a Forever Stamp:
Determine the weight of your letter:
A Forever Stamp covers the postage for a standard letter (1 oz or less).
If your letter weighs more than 1 oz, you’ll need additional postage. For
example, a 2 oz letter would need one additional ounce stamp.
Apply the stamp:
Place your Forever Stamp in the upper-right corner of the envelope. If using multiple stamps, stack them neatly without overlapping.
How many Forever Stamps do you need?
For a standard letter (1 oz or less): 1 Forever Stamp.
For heavier letters, use additional stamps. For example:
2 oz letter: 1 Forever Stamp + 1 additional ounce stamp.
3 oz letter: 1 Forever Stamp + 2 additional ounce stamps, and so on.
You can visit the USPS website or check with your local post office to confirm exact rates for different weights or mail types!
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