The density, or more precisely, the volumetric mass density of thorium is 11724 kg/m³. This means that the mass of 1 m³ thorium is 11724 kg.
The weight (on earth) of 1 m³ thorium is 115012,44 N or 115,01244 kN.
Conversion Chart Metric System:
| Kilogram per cubic meter | 11724 | kg/m³ |
| Tonne per cubic meter | 11,724 | t/m³ |
| Gram per cubic meter | 11724000 | g/m³ |
| Milligram per cubic meter | 11724000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,011724 | kg/cm³ |
| Gram per cubic centimeter | 11,724 | g/cm³ |
| Milligram per cubic centimeter | 11724 | mg/cm³ |
| Kilogram per litre | 11,724 | kg/L |
| Gram per litre | 11724 | g/L |
| Milligram per litre | 11724000 | mg/L |
| Kilogram per millilitre | 0,011724 | kg/mL |
| Gram per millilitre | 11,724 | g/mL |
| Milligram per millilitre | 11724 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 19766,664 | lb/yd³ |
| Pound per cubic foot | 731,92932 | lb/ft³ |
| Pound per cubic inch | 0,42358812 | lb/in³ |
| Pound per U.S. gallon | 97,83678 | lb/gal |
| Pound per British gallon | 117,47448 | |
| Pound per U.S. bushel | 910,83756 | |
| Ounce per cubic yard | 316196,28 | oz/yd³ |
| Ounce per cubic foot | 11709,9312 | oz/ft³ |
| Ounce per cubic inch | 6,776472 | oz/in³ |
| Ounce per U.S. gallon | 1565,154 | oz/gal |
| Ounce per British gallon | 1880,5296 | |
| Ounce per U.S. bushel | 14572,932 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 614,22036 | slug/yd³ |
| Slug per cubic foot | 22,74456 | slug/ft³ |
| Slug per cubic inch | 0,013166052 | slug/in³ |