To Convert
Crude Oil*		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		-		-		-		-		49.8
*Based on worldwide average gravity.

From
Products	barrels to tonnes	tonnes to barrels	kilolitres to tonnes	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	1.240
Gas oil / diesel	0.133	7.5	0.839	1.192
Fuel oil	0.149	6.7	0.939	1.065

To Convert
Natural Gas & LNG		billion cubic metres NG		billion cubic feet NG		million tonnes oil equivalent		million tonnes LNG		trillion British thermal units		million barrels oil equivalent
From		Multiply by
1 billion cubic metres NG		1		35.3		0.90		0.73		36		6.29
1 billion cubic feet NG		0.028		1		0.026		0.021		1.03		0.18
1 million tonnes oil equivalent		1.111		39.2		1		0.805		40.4		7.33
1 million tonnes LNG		1.38		48.7		1.23		1		52.0		8.68
1 trillion British thermal units		0.028		0.98		0.025		0.02		1		0.17
1 million barrels oil equivalent		0.16		5.61		0.14		0.12		5.8		1

Units of Measure

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 4500 gigawatt-hours (=4.5 terawatt hours) of electricity in a modern power station.

Tonnes = metric tons