| Jednostka | Nazwa |
| m | metr (meter) |
| km | kilometr (kilometer) |
| dm | decymetr (decimeter) |
| cm | centymetr (centimeter) |
| mm | milimetr (millimeter) |
| µm = µ | mikrometr = mikron |
| Å | angstrem |
| " | cal (inch) |
| ft | stopa (foot) |
| yd | jard (yard) |
| mi | mila (land mile) |
| nmi | mila morska (nautical mile) |