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Fuel Energy Content & Conversions

The exact values will vary depending on the quality of the fuel and in some cases the pressure.
Propane 1 gallon = 91,500 BTU
1 cubic foot = 2,500 BTU
1 pound = 21,500 BTU
4.24 lbs = 1 gallon
36.39 cubic feet = 1 gallon
Natural Gas 1 cubic foot = 1,050 BTU
Gasoline 1 pound = 19,000 BTU
1 gallon = 125,000 BTU
1 gallon = 6.1 lbs
Oils 1 gallon kerosene = 135,000 BTU
1 gallon #2 oil = 138,500 BTU
1 gallon diesel = 139,200 BTU
1 gallon #6 oil = 153,200 BTU
Other Fuels (dry)

1 lb hydrogen = 51,892 BTU with steam as product
1 lb coal (anthracite) = 12,700 BTU
1 lb coal (subituminous) = 8,800 BTU
1 lb coal (bituminous) = 11,500 BTU
1 lb pine wood bark = 9,200 BTU
1 lb hardwood bark = 8,400 BTU
1 lb wood = 7,870 BTU
1 lb dung = 7,500 BTU
1 lb waste paper = 6,500 BTU
1 lb sawdust/shavings = 3,850 BTU
1 kWH electricity = 3,413 BTU
1 therm any fuel = 100,000 BTU

KBtu Conversions

The below table provides the multiplier to convert a unit of measure to kBtu:

  1. Locate the energy source and the applicable unit of measure.

  2. Select the conversion multiplier from the right column.

  3. Multiply non-kBtu units of energy by multiplier and this converts the energy unit to kBtu equivalent.

Energy Source

Unit of Measure

Multiplier

Chilled Water

MBtu (million Btu)

1000

Chilled Water

Ton Hours

11.2

Chilled Water

Daily Tons

267.8

Chilled Water

Gallons

0.0093333

Coal (anthracite)

Lbs. (pounds)

12.5008

Coal (anthracite)

MBtu (million Btu)

1000

Coal (anthracite)

KLbs. (thousand pounds)

11625

Coal (anthracite)

MLbs. (million pounds)

11625000

Coal (anthracite)

Tons

25001.5

Coal (bituminous)

Lbs. (pounds)

12.0007

Coal (bituminous)

MBtu (million Btu)

1000

Coal (bituminous)

KLbs. (thousand pounds)

11160

Coal (bituminous)

MLbs. (million pounds)

11160000

Coal (bituminous)

Tons

24001.44

Coke

Lbs. (pounds)

12.40007

Coke

MBtu (million Btu)

1000

Coke

KLbs. (thousand pounds)

11532

Coke

MLbs. (million pounds)

11532000

Coke

Tons

24801.488

Diesel (No. 2)

MBtu (million Btu)

1000

Diesel (No. 2)

Gallons

138.1083

Electricity

kWh (thousand Watt-hours)

3.412

Electricity

MWh (million Watt-hours)

3412

Electricity

MBtu (million Btu)

1000

Fuel Oil (No. 1)

kBtu/Sq. Ft.

1

Fuel Oil (No. 1)

MBtu (million Btu)

1000

Fuel Oil (No. 1)

Gallons

134.9999811

Fuel Oil (No. 2)

MBtu (million Btu)

1000

Fuel Oil (No. 2)

Gallons

139.99998

Fuel Oil (No. 5 & No. 6)

MBtu (million Btu)

1000

Fuel Oil (No. 5 & No. 6)

Gallons

149.689979

Kerosene

MBtu (million Btu)

1000

Kerosene

Gallons

134.9838

Liquid Propane

MBtu (million Btu)

1000

Liquid Propane

kcf (thousand cubic feet)

1000.06

Liquid Propane

Gallons

90.0054

Liquid Propane

cf (cubic feet)

1.0336235

Natural Gas

MBtu (million Btu)

1000

Natural Gas

ccf (hundred cubic feet)

100

Natural Gas

therms

100

Natural Gas

kcf (thousand cubic feet)

1123.9

Natural Gas

cf (cubic feet)

1.1239

Natural Gas

MCF (million cubic feet)

1123900

Propane

MBtu (million Btu)

1000

Propane

kcf (thousand cubic feet)

1000.06

Propane

Gallons

90.0054

Propane

cf (cubic feet)

1.0336235

Steam

Lbs. (pounds)

1.0789

Steam

MBtu (million Btu)

1000

Steam

KLbs. (thousand pounds)

1003.342

Steam

MLbs. (million pounds)

1003342

Wood

MBtu (million Btu)

1000

Wood

Tons

16783.2

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