| Substance | density (g/cm3) |
| air | 0.0013 |
| wood (cherry) | 0.43 |
| wood (walnut) | 0.59 |
| wood (southern pine) | 0.65 |
| wood (sugar maple) | 0.69 |
| wood (birch) | 0.71 |
| wood (mahogany) | 0.71 |
| wood (oak) | 0.85 |
| ice | 0.93 |
| water | 1.0 |
| rubber | 1.50 |
| anthracite coal | 1.55 |
| aluminum | 2.7 |
| zinc | 4.05 |
| titanium | 4.5 |
| iron | 6.98 |
| steel | 7.8 |
| brass | 8.55 |
| bronze, phosphor | 8.8 |
| copper | 8.9 |
| nickel | 8.9 |
| silver | 10.5 |
| lead | 13.5 |
| mercury | 13.57 |
| gold | 19.3 |
| platinum | 21.45 |