| Keyword | Description | Symbol / Usage |
| angstrom | Angstrom | [angstrom.] |
| au | Astronomical unit | AU. |
| bolt | Bolts of cloth | [bolt.] |
| cable | Cable | [cable.] |
| caliber | Caliber | [caliber.] |
| ch | Chain | ch. |
| che | Chain (engineer's/ ramden's) | [chE.] |
| chg | Chain (gunter's) | [chG.] |
| cm | Centimeter | {cm.} |
| cubit | Cubit | [cubit.] |
| dam | Deca meter | {dam.} |
| dm | Deci meter | {dm.} |
| ells | Ells | [ells.] |
| em | Earth radius | [Em.] |
| fath | Fathom | {fath.} |
| fermi | Fermi | fermi. |
| fm | Femtometer | fm. |
| ft | Foot (default) | ft. |
| ftus | Foot (us survey) | [ftUS.] |
| fur | Furlong | {fur.} |
| hand | Hand | [hand.] |
| hat | Hat (india) | [hat.] |
| inch | Inch | {inch.} |
| km | Kilo-meter | {km.} |
| league | League (uk, naut) | [league.] |
| lgint | League (intl, naut) | [lgint.] |
| lgst | League (statute) | [lgst.] |
| lie | Link (engineer's) | [liE.] |
| lig | Link (gunter's) | [liG.] |
| line | Line (uk) | [line.] |
| lsec | Light second | {lsec.} |
| ly | Light year | ly. |
| m | Meter | m. |
| mi | Mile (default) | mi. |
| microinch | Micro-inch | [microinch.] |
| micron | Micron | [micron.] |
| mil | Mil | [mil.] |
| mius | Mile (us) | [miUS.] |
| mm | Milli-meter | {mm.} |
| mmicron | Micro-micron | [mmicron.] |
| nail | Nail | [nail.] |
| nm | Nano-meter | {nm.} |
| nmi | Nautical mile (defa, intl, us) | {nmi.} |
| nmiuk | Nautical mile (uk) | [nmiUK.] |
| nmius | Nautical mile (intl, us) | [nmiUS.] |
| pace | Pace | [pace.] |
| palm | Palm | [palm.] |
| pc | Parsec | pc. |
| pica | Pica (computer) | [pica.] |
| picaprn | Pica (printer) | [picaPrn.] |
| pt | Point (computer) | [pt.] |
| ptprn | Point (printer) | [ptPrn.] |
| rod | Rod, pole, perch | [rod.] |
| rope | Rope | [rope.] |
| skein | Skein | [skein.] |
| sm | Solar radius | [Sm.] |
| span | Span, quarter (uk, linear) | [span.] |
| sut | Sutha (india) | [sut.] |
| xu | X unit | xu. |
| yd | Yard | yd. |