The density, or more precisely, the volumetric mass density of ytterbium is 6570 kg/m³. This means that the mass of 1 m³ ytterbium is 6570 kg.
The weight (on earth) of 1 m³ ytterbium is 64451,7 N or 64,4517 kN.
Conversion Chart Metric System:
| Kilogram per cubic meter | 6570 | kg/m³ |
| Tonne per cubic meter | 6,57 | t/m³ |
| Gram per cubic meter | 6570000 | g/m³ |
| Milligram per cubic meter | 6570000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,00657 | kg/cm³ |
| Gram per cubic centimeter | 6,57 | g/cm³ |
| Milligram per cubic centimeter | 6570 | mg/cm³ |
| Kilogram per litre | 6,57 | kg/L |
| Gram per litre | 6570 | g/L |
| Milligram per litre | 6570000 | mg/L |
| Kilogram per millilitre | 0,00657 | kg/mL |
| Gram per millilitre | 6,57 | g/mL |
| Milligram per millilitre | 6570 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 11077,02 | lb/yd³ |
| Pound per cubic foot | 410,1651 | lb/ft³ |
| Pound per cubic inch | 0,2373741 | lb/in³ |
| Pound per U.S. gallon | 54,82665 | lb/gal |
| Pound per British gallon | 65,8314 | |
| Pound per U.S. bushel | 510,4233 | |
| Ounce per cubic yard | 177192,9 | oz/yd³ |
| Ounce per cubic foot | 6562,116 | oz/ft³ |
| Ounce per cubic inch | 3,79746 | oz/in³ |
| Ounce per U.S. gallon | 877,095 | oz/gal |
| Ounce per British gallon | 1053,828 | |
| Ounce per U.S. bushel | 8166,51 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 344,2023 | slug/yd³ |
| Slug per cubic foot | 12,7458 | slug/ft³ |
| Slug per cubic inch | 0,00737811 | slug/in³ |