The density, or more precisely, the volumetric mass density of sodium is 968 kg/m³. This means that the mass of 1 m³ sodium is 968 kg.
The weight (on earth) of 1 m³ sodium is 9496,08 N or 9,49608 kN.
Conversion Chart Metric System:
| Kilogram per cubic meter | 968 | kg/m³ |
| Tonne per cubic meter | 0,968 | t/m³ |
| Gram per cubic meter | 968000 | g/m³ |
| Milligram per cubic meter | 968000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,000968 | kg/cm³ |
| Gram per cubic centimeter | 0,968 | g/cm³ |
| Milligram per cubic centimeter | 968 | mg/cm³ |
| Kilogram per litre | 0,968 | kg/L |
| Gram per litre | 968 | g/L |
| Milligram per litre | 968000 | mg/L |
| Kilogram per millilitre | 0,000968 | kg/mL |
| Gram per millilitre | 0,968 | g/mL |
| Milligram per millilitre | 968 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 1632,048 | lb/yd³ |
| Pound per cubic foot | 60,43224 | lb/ft³ |
| Pound per cubic inch | 0,03497384 | lb/in³ |
| Pound per U.S. gallon | 8,07796 | lb/gal |
| Pound per British gallon | 9,69936 | |
| Pound per U.S. bushel | 75,20392 | |
| Ounce per cubic yard | 26106,96 | oz/yd³ |
| Ounce per cubic foot | 966,8384 | oz/ft³ |
| Ounce per cubic inch | 0,559504 | oz/in³ |
| Ounce per U.S. gallon | 129,228 | oz/gal |
| Ounce per British gallon | 155,2672 | |
| Ounce per U.S. bushel | 1203,224 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 50,71352 | slug/yd³ |
| Slug per cubic foot | 1,87792 | slug/ft³ |
| Slug per cubic inch | 0,001087064 | slug/in³ |