| A | ampere |
| A/m | amperes per meter |
| Avg | average |
| bbl | barrel |
| Bcf | billion cubic feet |
| Btu | British thermal unit |
| Ccf | hundred cubic feet |
| cf | cubic foot |
| cfm | cubic feet per minute |
| c/s | cycles per second |
| cu | cubic |
| cu | ft/hr cubic feet per hour |
| °C | degree celsius |
| °F | degree Fahrenheit |
| dd | degree day |
| Dth | decatherm |
| eb | equivalent barrel |
| G | gauss |
| gal | gallon |
| GW | gigawatt |
| GWh | gigawatt-hour |
| h | hour |
| hp | horsepower |
| Hz | hertz |
| kV | kilovolt |
| kVa | kilovolt-ampere |
| kvar | kilovolt-ampere-reactive unit |
| kvarh | kilovar-hour |
| kW | kilowatt |
| kWh | kilowatt-hour |
| kW-day | kilowatt-day |
| kW-year | kilowatt-year |
| kV/m | kilovolts per meter |
| lb | pound |
| Meb | thousand equivalent barrels |
| Mcf | thousand cubic feet |
| mG | milliGauss |
| MMBTU | million British thermal units |
| MMcf | million cubic feet |
| MMDth | million dekatherms |
| MW | megawatt |
| MWh | megawatt-hour |
| ohm | ohms |
| PPM | parts per million |
| psi | pounds per square inch |
| psia | pounds per square inch absolute |
| psig | pounds per square inch gauge |
| rem | unit of ionizing radiation |
| rpm | revolutions per minute |
| scf | standard cubic feet |
| tcf | trillion cubic feet |
| th | therm |
| V | volt |
| VA | volt-ampere |
| var | volt-ampere reactive unit |
| varh | volt-ampere-reactive-hour |
| V/m | volts per meter |
| W | Watt |
| Wh | watt-hour |