| Abbreviation | Definition |
|---|---|
| KBps | Kilo Bytes Per Second |
| kBq | kiloBecquerel |
| KCF | Kilo (Thousand) Cubic Feet |
| KCFS | 1000 Cubic Feet per Second |
| kcmil | thousands of circular mils |
| KD | Kilodalton |
| KE | Kilo-Edges |
| KEGEL | A unit of weight measurement in the Lowlands; |
| KEQ | EQualized temperature in degrees Kelvin |
| KEV | Kilo Electron Volts |
| KFC | Kelvin, Fahrenheit, Celsius |
| KFTLBS | Kilofootpounds |
| KG | KiloGauss |
| KG | KiloGram |
| kg. | kilogram |
| KGAL/MIN | KiloGALlons per MINute |
| KGF | Kilogram Feet |
| Kgs | Kilograms |
| KGY | Kilogray |
| KHDBDCM | Kilo, Hecto, Deka, Base, Deci, Centi and Mili |