Conersion data table for helium
| Weight | Gas | Liquid | ||||
| Pounds (Lb) | Kilograms (Kg) | Cubic feet (scf) | Cubic metres (Nm3) | Gallons (Gal) | Litres( L) | |
| 1 pound | 1.0 | 0.4536 | 96.71 | 2.542 | 0. 9593 | 3.631 |
| 1 kilogram | 2.205 | 1.0 | 213.2 | 5.603 | 2.115 | 8.006 |
| 1 scf gas | 0.01034 | 0.004690 | 1.0 | 0.02628 | 0.009919 | 0.03754 |
| 1 Nm3 gas | 0.3935 | 0.17847 | 38.04 | 1.0 | 0.3775 | 1.4289 |
| 1 gallon liquid | 1.0423 | 0.4728 | 100.80 | 2.649 | 1.0 | 3.785 |
| 1 litre liquid | 0.2754 | 0.1249 | 26.63 | 0.6998 | 0.2642 | 1.0 |