Approximate Conversion Factors for Energy Units - Statistical Review of World Energy, Study notes of Statistics

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Approximate conversion factors

Statistical Review of World Energy

Approximate conversion factors -

Crude oil* To convert

Tonnes (metric) Kilolitres Barrels US gallons Tonnes/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.

*Based on the worldwide average gravity

Products To convert

Barrels to tonnes Tonnes to barrels Kilolitres to tonnes Tonnes to kilolitres

From Multiply by

Liquified petroleum gas (LPG) 0.086 11.60 0.542 1.

Gasoline 0.120 8.35 0.753 1.

Kerosene 0.127 7.88 0.798 1.

Gas oil/diesel 0.134 7.46 0.843 1.

Residual fuel oil 0.157 6.35 0.991 1.

Product basket 0.125 7.98 0.788 1.

Approximate conversion factors -

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 and sub-bituminous coal

Gaseous fuels ^ See natural gas and LNG table

Electricity ^ 12 mega watt-hours

One million tonnes of oil produces about

4400 gigawatt-hours (=4.4 terawatt hours)

of electricity in a modern power station.

Other terms

1 tonne of ethanol = 0.68 tonne of oil of oil equivalent Tonnes: metric equivalent of tons

1 tonne of biodiesel = 0.88 tonne of oil of oil equivalent

1 barrel of ethanol = 0.58 barrels of oil equivalent

1 barrel of biodiesel = 0.86 barrels of oil of oil equivalent