Conversion Tools

CONVERSION TABLES

Natural Gas
Unit Equivalent to
1 cubic metre (m3) 35.301 cubic feet @ 14.73 psia and 60oF
thousand cubic feet (Mcf) 1.05 GJ
million cubic feet (MMcf) 1.05 TJ
billion cubic feet (Bcf) 1.05 PJ
trillion cubic feet (Tcf) 1.05 EJ

• 1 LNG tonne = 2,200 lbs / 3.5 = 621 LNG gallons per LNG tonne

• Typical LNG composition = 97mol% C1, 1.5% C2, <0.25% C3+, balance N2
• 1 LNG Gallon = 82.6 standard cubic feet of natural gas
• 1 LNG gallon = 82,644 Btu
• 1,000,000 Btu / 82,644 Btu per gallon = 12.1 LNG gallons per MMBtu
• 10,000 gallons = 826 MCF

• 1 LNG road tanker = 9,500 LNG gallons = 33,670 lbs of LNG = 785 MCF

• 1 LNG gallon weighs 3.5 lbs

http://www.minerals.nsw.gov.au/prodServices/publications/commodities/petroleum/gas_publications
http://www.minerals.nsw.gov.au/geologyNatural gas: HHV = 1027 Btu/ft3 = 38.3 MJ/m3
LHV    = 930 Btu/ft3 = 34.6 MJ/m3
1,012      Btu/standard cubic foot methane             [Ref: Chemical Engineers’ Handbook. John H Perry, ed. McGraw-Hill Book Company: New York, 1963. Pg 9-9.]
19           1,050     Btu/standard cubic foot natural gasMethane      0.941      Million Btu/Thousand Cubic Feet
http://www.nrel.gov/vehiclesandfuels/ngvtf/pdfs/lng_fuel_sys_tech_wegrzyn.pdf

Crude Oil and Natural Gas Liquids		Natural Gas
BBLS	– barrels	BCF	– billion cubic feet
BOE	– barrel of oil equivalent	MCF	– thousand cubic feet
MBBLS	– thousand barrels	MMCF	– million cubic feet
BBLS/D	– barrels per day	MCF/D	– thousand cubic feet per day
BOPD	– barrels of oil per day	MMCF/D	– million cubic feet per day
NGL	– natural gas liquids	MMBTU	– million British thermal units
STB	– stock tank barrels
MSTB	– thousand stock tank barrels
	2127 liters – one ton LNG 47,000 tons = 100 thousand kiloliters LNG
	135,000 m3 (62,000 tons) LNG ship unloads 12 hrs docked 21

one month trip Korea from Middle East, 15 days Australia 1 cubic meter of natural gas ~ 1/2 metric ton.

CONVERSIONS

Prefix	Unit
Kilo	10³
Mega	10⁶
Giga	10⁹
Tera	10¹²
Peta	10¹⁵
Metric	Imperial
1 kilogram	2.204 pounds
1 tonne	1.10231 US short ton (2 000 lbs)
1 tonne	0.98421 UK long ton (2 240 pounds)
1 kilolitre	6.28981 barrels (bbls)
1 barrel (of oil, bbl)	158.987 litres 42 US gallons 0.1364 tonnes
1 cubic metre (1 kilolitre)	35.3147 cubic feet
1 kilojoule	0.94781 British Thermal Units (Btus)
1 calorie	4.186 joules
Other
1 cubic metre	35.3147 cubic feet

Table 2 Petroleum and coal

Mass or volume gas	Energy & other
1 cubic metre of gas	38 megajoules as methane
1 cubic metre of gas	44 megajoules as W.A. NWS LNG
1 billion cubic metres of natural gas	730 000 tonnes of LNG
1 Trillion Cubic Feet (TCF)	Approx. 1 000 petajoules
1 Trillion Cubic Feet (TCF)	20 million tonnes
1 tonne of gas	1 333 cubic metres
1 terajoule	26 300 cubic metres of gas
	0.929 million cubic feet of natural gas
	17.63 tonnes of LNG
1 MCF (eg. per day) (millions cubic feet) of gas (also 1MMSFD = 1 million cubic feet per day)	28 317 cubic metres
	19.39 tonne of LNG
	1 057 Gigajoules
	1.1 Terajoules
1 tonne of LNG	1 460 cubic metres (at 20ºC) (or 1 333 at 0ºC)
	54.5 Gigajoules
	9.5 bbl of Arab crude oil by energy equivalence
	51.7 MMBTUs
1 tonne of crude oil	7.33 bbls
1 tonne of crude oil	42.1 gigajoules
1 MMBTU	1.055 Gigajoules
3.6 gigajoule	1 MWh
1 petajoule (1 terajoule)	ca. 20 000 tonnes (20 tonnes) gas
1 terajoule of gas per day	ca. 7 200 tonnes per year.
1 million tonnes of LNG per year	1.333 billion cubic metres per year
1 million tonnes of LNG per year	3.65 million cubic metres of natural gas per day
100 MW power station (33% efficiency)	ca. 25 terajoules per day (10 Gigajoules/1MWh)
Coal	ca. 20 Gigajoules per tonne
Condensate	ca. 32 Megajoules per Litre
Crude oil	ca. 37 Megajoules per Litre
LNG	ca 25 Megajoules per Litre
Natural gas	ca. 38 Megajoules per Cubic Metre

Average Energy Conversion Factors
	U.S. Customary Unit	Metric Equivalent
Crude oil	1 barrel	0.1364 metric tons
Crude oil	1 barrel	5.75 gigajoules
Coal	1 short ton	0.9072 metric tons
Natural gas	1 cubic foot	0.0283 cubic meters
Natural gas plant liquids	1 barrel	0.0862 metric tons
Btu/joule	1 Btu	1 055.1 joules
Petroleum products
Motor gasoline	1 barrel	0.1172 metric tons
Distillate fuel oil	1 barrel	0.1340 metric tons
Residual fuel oil	1 barrel	0.1502 metric tons

	cubic metre	cubic foot gas	million Btu	therm	gigajoule	kilowatt hour	cubic metre of LNG	ton of LNG
1 cubic meter gas	1	35.3	0.036	0.36	0.038	10.54	0.00171	0.000725
1 cubic foot gas	0.0283	1	0.00102	0.0102	0.00108	0.299	0.00005	0.00002
1-million Btu	27.8	981	1	10	1.054	292.7	0.048	0.0192
1 therm	2.78	98.1	0.1	1	0.105448	29.27	0.0048	0.00192
1 gigajoule	26.3	930	0.95	9.5	1	277.5	0.045	0.018
1 kilowatt hour	0.0949	3.3	0.003415	0.03418	0.0036	1	0.000162	0.000065
1 cubic meter LNG	584	20 631	21.04	210.4	22.19	6,173	1	0.405
1 ton LNG	1,379	48 690	52	520	54.8	15 222	2.47	1
1 barrel Arabian Lt.	0.152	5 350	5.46	54.6	5.75	1 597	0.259	0.105
1 ton Arabian Lt.	1.111	39 218	40	400	42.2	11 708	1.9	0.769

The following table sets forth certain standard conversions from Standard Imperial Units to the International System of Units (or metric units).

http://www.eppo.go.th/ref/UNIT-OIL.html

	LNG           NG           OIL         OIL          COAL
        t/y           10⁶ mmcF/d  toe/y       boe/y        tce/y
                      10⁹ Nm³/y
        -----------------------------------------------------------------
        1             1.41         1.22        25           1.9
        0.71          1            0.87        18           39
        0.82          1.15         1           20           1.55
        0.04          0.056        0.049       1            0.076
        0.53          0.74         0.64        13           1
        -----------------------------------------------------------------

To Convert From	To	Multiply By

MCF	Cubic meters (“m³”)	28.174
Cubic meters	Cubic feet	35.494
BBLS (U.S. 42 gallons)	Cubic meters (“m³”)	0.159
Cubic meters (“m³”)	BBLS	6.290
Feet	Meters	0.305
Meters	Feet	3.281
Miles	Kilometers	1.609
Kilometers	Miles	0.621
Acres	Hectares	0.405
Hectares	Acres	2.471

1 million tones LNG	=~	2.2 million cubic meter LNG
1 million tones per year (tpy) LNG	=~	140 million standard cubic per day (MMscfd) gas
100 MMscfd gas	~	730,000 tpy LNG
	~	2,100 tpd LNG
1 million cubic meter LNG	=	6.29 million bbl LNG
	=~	460,000 tonnes LNG
1 cubic meter LNG	~	600 cubic meter gas
	~	21200 cubic foot gas
	=~
1 standard cubic foot (scf)	=	0.0268 normal cubic meter (Nm 3)
1 standard cubic meter (scm)	=	1.057 normal cubic metter (Nm 3)

1 kmole gas	=	22.41 Nm 3 @ 101.325kPa(A) and 0 oC
1 lb-mole gas	=	379.49 scf @ 14.696psia and 60 oF

Price Conversions for Natural Gas “US$ 1.00/MMBTU” is equal to:
for other fuels		expressed in R$
multiply by	to obtain	multiply by	to obtain
5.46	US$/ barrel of oil	Exchange rate x 37.30	US$/ mil m³ natural gas
40.22	US$/ ton. fuel oil	Exchange Rate x 1.06	US$/ mil ft³ natural gas
51.32	US$/ ton. LNG	Exchange Rate x 0.10	US$/ therm
46.63	US$/ ton. PLG	Exchange Rate x 3.97	US$/ cal
42.66	US$/ ton. diesel	Exchange Rate x 3.42	US$/ mwh
13.10	US$/ ton. firewood	Exchange Rate x 0.95	US$/ Gjoule
26.98	US$/ ton. charcoal	Exchange Rate in R$

million BTU	‘000 cubic meters natural gas	Ton LNG	Ton PLG	Ton fuel oil
‘000 cubic meters natural gas	37.30	1.00	0.73	0.80	0.93
ton LNG	51.32	1.38	1.00	1.10	1.28
ton PLG	46.63	1.25	0.91	1.00	1.16
ton diesel	42.66	1.14	0.83	0.91	1.06
ton fuel oil	40.22	1.08	0.78	0.86	1.00
ton charcoal	26.98	0.72	0.53	0.58	0.67
national coal (4,500 kcal/Kg)	17.86	0.48	0.35	0.38	0.44
ton firewood	13.10	0.35	0.26	0.28	0.33
barrel petroleum	5.46	0.15	0.11	0.12	0.14

natural gas: 1 cubic meter = 9,400 Kcal (20º and 1 atm)
1 million BTU ( 1 MMBTU) = 26.8 cubic meters ( m³) natural gas.