
| Natural Gas | |||||||
| 1 MMBtu | = | 1.055056 GJ | |||||
| 1 MMBtu | = | 1 decatherm | |||||
| 1 Mcf | = | 1,000 cubic feet | ≈ | 1 GJ | = | 1,000 MJ | |
| 1 MMcf | = | 1,000 Mcf | ≈ | 1 TJ | = | 1,000 GJ | |
| 1 Bcf | = | 1,000 MMcf | ≈ | 1 PJ | = | 1,000 TJ | |
| 1 Tcf | = | 1,000 Bcf | ≈ | 1 EJ | = | 1,000 PJ | |
| 1 MMcf | = | 28.262 103m3 | |||||
| Crude Oil | |||||||
| 1 barrel | = | 42 U.S. gallons | |||||
| 1 barrel | = | 0.158987 m3 | |||||
| 1 m3 | = | 6.2898 barrels | |||||
| 1 m3 | = | 38.8 GJ energy | |||||
| API Density | = | (141.5/Specific Gravity) - 131.5 | |||||
| Specific Gravity | = | (141.5/(API + 131.5) | |||||
| Natural Gas Liquids (NGL) | |||||||
| 1 m3 Ethane (C2) | = | 18.5 GJ | |||||
| 1 m3 Propane (C3) | = | 25.4 GJ | |||||
| 1 m3 Iso-Butane (i-C4) | = | 27.5 GJ | |||||
| 1 m3 Normal Butane (n-C4) | = | 28.7 GJ | |||||
| 1 m3 Pentane (C5) | = | 30.7 GJ | |||||
| Sulphur | |||||||
| 1 short ton | = | 2,000 pounds | |||||
| 1 short ton | = | 0.90719 tonne | |||||
| 1 long ton | = | 2,240 pounds | |||||
| 1 long ton | = | 1.016047 tonne | |||||
| Electricity | |||||||
| 1 mill | = | $0.001/kW-hour | |||||
| 1 mill | = | $1.00/MW-hour | |||||
| 1 Megawatt-hour | = | 3.6 GJ energy | |||||
| 1 Megawatt-hour | = | 3.4 MMBtu energy | |||||