| Approximate conversion factors | |||||||
| To | |||||||
| tonnes | US | tonnes/ | |||||
| Crude oil* | (metric) | kilolitres | barrels | gallons | year | ||
| From | Multiply by | ||||||
| Tonnes (metric) | 1 | 1.165 | 7.33 | 307.86 | – | ||
| Kilolitres | 0.8581 | 1 | 6.2898 | 264.17 | – | ||
| Barrels | 0.1364 | 0.159 | 1 | 42 | – | ||
| US gallons | 0.00325 | 0.0038 | 0.0238 | 1 | – | ||
| Barrels/day | – | – | – | – | 49.8 | ||
| *Based on worldwide average gravity. | |||||||
| To convert | |||||||
| barrels | tonnes | kilolitres | tonnes | ||||
| Products | to tonnes | to barrels | to tonnes | to kilolitres | |||
| Multiply by | |||||||
| LPG | 0.086 | 11.6 | 0.542 | 1.844 | |||
| Gasoline | 0.118 | 8.5 | 0.740 | 1.351 | |||
| Kerosene | 0.128 | 7.8 | 0.806 | 1.24 | |||
| Gas oil/ diesel | 0.133 | 7.5 | 0.839 | 1.192 | |||
| Residual fuel oil | 0.149 | 6.7 | 0.939 | 1.065 | |||
| To | |||||||
| billion cubic | billion cubic | million tonnes | million tonnes | trillion British | million barrels | ||
| Natural gas and LNG | metres NG | feet NG | oil equivalent | LNG | thermal units | oil equivalent | |
| From | Multiply by | ||||||
| 1 billion cubic metres NG | 1 | 35.3 | 0.90 | 0.74 | 35.7 | 6.60 | |
| 1 billion cubic feet NG | 0.028 | 1 | 0.025 | 0.021 | 1.01 | 0.19 | |
| 1 million tonnes oil equivalent | 1.11 | 39.2 | 1 | 0.82 | 39.7 | 7.33 | |
| 1 million tonnes LNG | 1.36 | 48.0 | 1.22 | 1 | 48.6 | 8.97 | |
| 1 trillion British thermal units | 0.028 | 0.99 | 0.025 | 0.021 | 1 | 0.18 | |
| 1 million barrels oil equivalent | 0.15 | 5.35 | 0.14 | 0.11 | 5.41 | 1 | |
| Units | |||||||
| 1 metric tonne = 2204.62 lb. | |||||||
| = 1.1023 short tons | |||||||
| 1 kilolitre = 6.2898 barrels | |||||||
| 1 kilolitre = 1 cubic metre | |||||||
| 1 kilocalorie (kcal) = 4.187 kJ = 3.968 Btu | |||||||
| 1 kilojoule (kJ) = 0.239 kcal = 0.948 Btu | |||||||
| 1 British thermal unit (Btu) = 0.252 kcal = 1.055 kJ | |||||||
| 1 kilowatt-hour (kWh) = 860 kcal = 3600 kJ = 3412 Btu | |||||||
| Calorific equivalents | |||||||
| One tonne of oil equivalent equals approximately: | |||||||
| Heat units | 10 million kilocalories | ||||||
| 42 gigajoules | |||||||
| 40 million Btu | |||||||
| Solid fuels | 1.5 tonnes of hard coal | ||||||
| 3 tonnes of lignite | |||||||
| Gaseous fuels | See Natural gas and LNG table | ||||||
| Electricity | 12 megawatt-hours | ||||||
| One million tonnes of oil produces about 4400 gigawatt-hours (=4.4 terawatt hours) of electricity in a modern power station. | |||||||
| 1 barrel of ethanol = 0.57 barrel of oil | |||||||
| 1 barrel of biodisel = 0.88 barrel of oil | |||||||
| 1 tonne of ethanol = .57 ton of oil | |||||||
| 1 tonne of biodiesel = .88 ton of oil | |||||||
| Other terms | |||||||
| Tonnes: Metric equivalent of tons | |||||||