The density, or more precisely, the volumetric mass density of strontium is 2630 kg/m³. This means that the mass of 1 m³ strontium is 2630 kg.
The weight (on earth) of 1 m³ strontium is 25800,3 N or 25,8003 kN.
Conversion Chart Metric System:
| Kilogram per cubic meter | 2630 | kg/m³ |
| Tonne per cubic meter | 2,63 | t/m³ |
| Gram per cubic meter | 2630000 | g/m³ |
| Milligram per cubic meter | 2630000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,00263 | kg/cm³ |
| Gram per cubic centimeter | 2,63 | g/cm³ |
| Milligram per cubic centimeter | 2630 | mg/cm³ |
| Kilogram per litre | 2,63 | kg/L |
| Gram per litre | 2630 | g/L |
| Milligram per litre | 2630000 | mg/L |
| Kilogram per millilitre | 0,00263 | kg/mL |
| Gram per millilitre | 2,63 | g/mL |
| Milligram per millilitre | 2630 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 4434,18 | lb/yd³ |
| Pound per cubic foot | 164,1909 | lb/ft³ |
| Pound per cubic inch | 0,0950219 | lb/in³ |
| Pound per U.S. gallon | 21,94735 | lb/gal |
| Pound per British gallon | 26,3526 | |
| Pound per U.S. bushel | 204,3247 | |
| Ounce per cubic yard | 70931,1 | oz/yd³ |
| Ounce per cubic foot | 2626,844 | oz/ft³ |
| Ounce per cubic inch | 1,52014 | oz/in³ |
| Ounce per U.S. gallon | 351,105 | oz/gal |
| Ounce per British gallon | 421,852 | |
| Ounce per U.S. bushel | 3269,09 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 137,7857 | slug/yd³ |
| Slug per cubic foot | 5,1022 | slug/ft³ |
| Slug per cubic inch | 0,00295349 | slug/in³ |