Wobbe index Wobbe Index of common fuel gases Wobbe Index of common fuel gases

| Fuel_gas | Upper_index_Kcal_Nm_3 | Lower_index_Kcal_Nm_3 | Upper_index_MJ_Nm_3 | Lower_index_MJ_Nm_3 |
|---|---|---|---|---|
| Hydrogen | 11528 | 9715 | 48.23 | 40.65 |
| Methane | 12735 | 11452 | 53.28 | 47.91 |
| Ethane | 16298 | 14931 | 68.19 | 62.47 |
| Ethylene | 15253 | 14344 | 63.82 | 60.01 |
| Natural gas | 12837 | 11597 | 53.71 | 48.52 |
| Propane | 19376 | 17817 | 81.07 | 74.54 |
| Propylene | 18413 | 17180 | 77.04 | 71.88 |
| n-butane | 22066 | 20336 | 92.32 | 85.08 |
| Iso-butane | 21980 | 20247 | 91.96 | 84.71 |
| Butylene-1 | 21142 | 19728 | 88.46 | 82.54 |
| LPG | 20755 | 19106 | 86.84 | 79.94 |
| Acetylene | 14655 | 14141 | 61.32 | 59.16 |
| Carbon monoxide | 3060 | 3060 | 12.80 | 12.80 |