The length unit converter, which realizes the conversion between different length units, currently includes 17 length units and 272 conversion relationships.
The length units are as follows:
| Length unit | Abbreviation |
| Kilometer | km |
| Meter | m |
| Furlong | fur |
| Fathom | fm |
| Nautical mile | nmi |
| Miles | mi |
| Yard | yd |
| Feet | ft |
| Inch | in |
| Astronomical Unit | AU |
| Light Year | ly |
| Picometer | pm |
| Nanometer | nm |
| Micron | um |
| Millimeter | mm |
| Centimeter | cm |
| Decimeter | dm |
