| Kieli | Käännökset |
|---|---|
| esperanto | leterpapero |
| suomi | kirjepaperi |
| Monikko | letter papers |
Any type of paper used for writing letters or communications, usually in quarto size.
Letter paper tiled with almost equilateral triangles. (Perfectly equilateral triangles require the aspect ratio to be 3⁄4√3 ≈ 1.299.)