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Resources
The practical side. What it costs, what fits, and how to get a clean printed address on an envelope that was not designed to go through a printer.
- 01Envelope sizes, matched to what you are actually mailingWhich size fits a card, an invitation, or a folded letter, plus the postage threshold that quietly makes some sizes cost more.7 min
- 02How much postage does an envelope needCurrent rates as of the July 2026 increase, how many sheets one stamp actually covers, and when a heavier envelope needs more.6 min
- 03How to fold a letter for an envelopeThe standard tri-fold for a plain envelope, the Z-fold for a window envelope, and the double-window variant most guides skip.6 min
- 04How to print addresses on envelopesPrinter setup, the font that actually scans well, and the white-label workaround for a dark envelope that would otherwise defeat printing entirely.6 min
Questions people ask
Does a Forever stamp still cover a normal letter?
Yes. A Forever stamp covers a one ounce First Class letter no matter what you paid for it or when rates change. Heavier or oddly shaped mail needs more.