Index - M
| MagneticFlux | Data.Dimensions.SI.Types, Data.Dimensions.SI |
| MagneticFluxDensity | Data.Dimensions.SI.Types, Data.Dimensions.SI |
| MagneticStrength | Data.Dimensions.SI.Types, Data.Dimensions.SI |
| Mass | Data.Dimensions.SI.Types, Data.Dimensions.SI |
| Mega | |
| 1 (Type/Class) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| 2 (Data Constructor) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| mega | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| Meter | |
| 1 (Type/Class) | Data.Dimensions.SI.Units, Data.Dimensions.SI |
| 2 (Data Constructor) | Data.Dimensions.SI.Units, Data.Dimensions.SI |
| MFive | Data.Dimensions |
| MFour | Data.Dimensions |
| Micro | |
| 1 (Type/Class) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| 2 (Data Constructor) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| micro | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| Milli | |
| 1 (Type/Class) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| 2 (Data Constructor) | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| milli | Data.Dimensions.SI.Prefixes, Data.Dimensions.SI |
| MkDim | Data.Dimensions |
| MkGenDim | Data.Dimensions |
| Mole | |
| 1 (Type/Class) | Data.Dimensions.SI.Units, Data.Dimensions.SI |
| 2 (Data Constructor) | Data.Dimensions.SI.Units, Data.Dimensions.SI |
| Momentum | Data.Dimensions.SI.Types, Data.Dimensions.SI |
| MOne | Data.Dimensions |
| MThree | Data.Dimensions |
| MTwo | Data.Dimensions |
| multiplier | Data.Dimensions |