The density, or more precisely, the volumetric mass density of manganese is 7470 kg/m³. This means that the mass of 1 m³ manganese is 7470 kg.
The weight (on earth) of 1 m³ manganese is 73280,7 N or 73,2807 kN.
Conversion Chart Metric System:
| Kilogram per cubic meter | 7470 | kg/m³ |
| Tonne per cubic meter | 7,47 | t/m³ |
| Gram per cubic meter | 7470000 | g/m³ |
| Milligram per cubic meter | 7470000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,00747 | kg/cm³ |
| Gram per cubic centimeter | 7,47 | g/cm³ |
| Milligram per cubic centimeter | 7470 | mg/cm³ |
| Kilogram per litre | 7,47 | kg/L |
| Gram per litre | 7470 | g/L |
| Milligram per litre | 7470000 | mg/L |
| Kilogram per millilitre | 0,00747 | kg/mL |
| Gram per millilitre | 7,47 | g/mL |
| Milligram per millilitre | 7470 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 12594,42 | lb/yd³ |
| Pound per cubic foot | 466,3521 | lb/ft³ |
| Pound per cubic inch | 0,2698911 | lb/in³ |
| Pound per U.S. gallon | 62,33715 | lb/gal |
| Pound per British gallon | 74,8494 | |
| Pound per U.S. bushel | 580,3443 | |
| Ounce per cubic yard | 201465,9 | oz/yd³ |
| Ounce per cubic foot | 7461,036 | oz/ft³ |
| Ounce per cubic inch | 4,31766 | oz/in³ |
| Ounce per U.S. gallon | 997,245 | oz/gal |
| Ounce per British gallon | 1198,188 | |
| Ounce per U.S. bushel | 9285,21 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 391,3533 | slug/yd³ |
| Slug per cubic foot | 14,4918 | slug/ft³ |
| Slug per cubic inch | 0,00838881 | slug/in³ |