| 1 lb/ft3 | = 0.45359236988786 t /Mft3 |
| 2 lb/ft3 | = 0.90718473977572 t /Mft3 |
| 3 lb/ft3 | = 1.3607771096636 t /Mft3 |
| 4 lb/ft3 | = 1.8143694795514 t /Mft3 |
| 5 lb/ft3 | = 2.2679618494393 t /Mft3 |
| 6 lb/ft3 | = 2.7215542193272 t /Mft3 |
| 7 lb/ft3 | = 3.175146589215 t /Mft3 |
| 8 lb/ft3 | = 3.6287389591029 t /Mft3 |
| 9 lb/ft3 | = 4.0823313289908 t /Mft3 |
| 10 lb/ft3 | = 4.5359236988786 t /Mft3 |
| 20 lb/ft3 | = 9.0718473977572 t /Mft3 |
| 30 lb/ft3 | = 13.607771096636 t /Mft3 |
| 40 lb/ft3 | = 18.143694795514 t /Mft3 |
| 50 lb/ft3 | = 22.679618494393 t /Mft3 |
| 60 lb/ft3 | = 27.215542193272 t /Mft3 |
| 70 lb/ft3 | = 31.75146589215 t /Mft3 |
| 80 lb/ft3 | = 36.287389591029 t /Mft3 |
| 90 lb/ft3 | = 40.823313289908 t /Mft3 |
| 100 lb/ft3 | = 45.359236988786 t /Mft3 |
| 200 lb/ft3 | = 90.718473977572 t /Mft3 |
| 300 lb/ft3 | = 136.07771096636 t /Mft3 |
| 400 lb/ft3 | = 181.43694795514 t /Mft3 |
| 500 lb/ft3 | = 226.79618494393 t /Mft3 |
| 600 lb/ft3 | = 272.15542193272 t /Mft3 |
| 700 lb/ft3 | = 317.5146589215 t /Mft3 |
| 800 lb/ft3 | = 362.87389591029 t /Mft3 |
| 900 lb/ft3 | = 408.23313289908 t /Mft3 |
| 1000 lb/ft3 | = 453.59236988786 t /Mft3 |
| 2000 lb/ft3 | = 907.18473977572 t /Mft3 |
| 4000 lb/ft3 | = 1814.3694795514 t /Mft3 |
| 5000 lb/ft3 | = 2267.9618494393 t /Mft3 |
| 7500 lb/ft3 | = 3401.942774159 t /Mft3 |
| 10000 lb/ft3 | = 4535.9236988786 t /Mft3 |
| 25000 lb/ft3 | = 11339.809247197 t /Mft3 |
| 50000 lb/ft3 | = 22679.618494393 t /Mft3 |
| 100000 lb/ft3 | = 45359.236988786 t /Mft3 |
| 1000000 lb/ft3 | = 453592.36988786 t /Mft3 |
| 1000000000 lb/ft3 | = 453592369.88786 t /Mft3 |