| Code Value |
Definition |
| 4H | micrometre (micron) |
| 77 | milli-inch |
| A11 | angstrom |
| A12 | astronomical unit |
| A45 | decametre |
| A71 | femtometre |
| AK | fathom |
| AWG | american wire gauge |
| B57 | light year |
| C45 | nanometre |
| C52 | picometre |
| C63 | parsec |
| CMT | centimetre |
| DMT | decimetre |
| F49 | rod [unit of distance] |
| F50 | micrometre per kelvin |
| F51 | centimetre per kelvin |
| F52 | metre per kelvin |
| FOT | foot |
| G04 | centimetre per bar |
| G05 | metre per bar |
| G06 | millimetre per bar |
| H79 | French gauge |
| H84 | gram millimetre |
| HMT | hectometre |
| INH | inch |
| K13 | foot per degree Fahrenheit |
| K17 | foot per psi |
| K45 | inch per degree Fahrenheit |
| K46 | inch per psi |
| KMT | kilometre |
| KTM | kilometre |
| L98 | yard per degree Fahrenheit |
| L99 | yard per psi |
| M49 | chain (based on U.S. survey foot) |
| M50 | furlong |
| M51 | foot (U.S. survey) |
| M52 | mile (based on U.S. survey foot) |
| M53 | metre per pascal |
| M7 | micro-inch |
| MAM | megametre |
| MMT | millimetre |
| MTR | metre |
| NMI | nautical mile |
| SMI | mile (statute mile) |
| X1 | Gunter's chain |
| YRD | yard |