| Abbreviation | Definition |
|---|---|
| MPC | Memory transactions Per Cycle |
| MPG | Miles Per Girl |
| MPH | Miles Per Hour |
| MPK | Milliwatts Per Kilometer |
| MPL | Miles Per Liter |
| MPM | Medals Per Million |
| MPP | Meters Per Pixel |
| MPS | Metres Per Second |
| MPS | Miles Per Second |
| MPW | Miles Per Watt |
| MPW | Million Per Week |
| MPY | Miles Per Year |
| MPY | Mils Per Year |
| MR | Magic Rating |
| MRAD | Megarad |
| MRO | Maintenance Repair And Operating |
| MS | Milli Seconds |
| MSCFH | Million Standard Cubic Feet Per Hour |
| MSF | Minute Second Frame |
| MSK | Mega-Statute Kilometers |