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Sustainable Development of Algal Biofuels in the United States (2012)

Chapter:Appendix F: Conversion Factors

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Suggested Citation:"Appendix F: Conversion Factors." National Research Council. 2012. Sustainable Development of Algal Biofuels in the United States. Washington, DC: The National Academies Press. doi: 10.17226/13437.
×

F
Conversion Factors

 

Mass

 

 

1

ounce (oz)

≡   28.3495231

g

1

pound

≡   0.453592

kg

1

(short) ton

≡   0.907185

(metric) tonne

 

Length

 

 

1

foot (ft)

≡   0.3048

meter (m)

1

mile

≡   1.609344

kilometer (km)

 

Area

 

 

1

mi2

≡   2.589988

km2

1

acre

≡   0.404685642

hectare (ha)

 

Volume

 

 

1

ft3

≡   0.028317

m3

1

gallon

≡   3.785412

liter (L)

1

barrel

≡   158.987295

L

 

Energy

 

 

1

British Thermal Unit (BTU)

≡   0.001055

megajoule (MJ)

 

Pressure

 

 

1

pounds per square inch (psi)

≡   6,894.76

Pascal (Pa)

 

Compound units

 

 

1

pound per acre

≡   1.120851

kg/ha

1

ton per acre

≡   2.241702

tonne/ha

Suggested Citation:"Appendix F: Conversion Factors." National Research Council. 2012. Sustainable Development of Algal Biofuels in the United States. Washington, DC: The National Academies Press. doi: 10.17226/13437.
×

1

ounce (oz) per gallon

≡   7.489152

g/L

1

ounce per BTU

≡   26,870.16

g/MJ

1

ft3/acre

≡   0.028317

m3/ac

1

ft3/ton

≡   0.031214

m3/Mg

1

ft3/BTU

≡   26,839.19

m3/GJ

1

BTU per gallon

≡   0.000279

MJ/L

Suggested Citation:"Appendix F: Conversion Factors." National Research Council. 2012. Sustainable Development of Algal Biofuels in the United States. Washington, DC: The National Academies Press. doi: 10.17226/13437.
×
Page225
Suggested Citation:"Appendix F: Conversion Factors." National Research Council. 2012. Sustainable Development of Algal Biofuels in the United States. Washington, DC: The National Academies Press. doi: 10.17226/13437.
×
Page226
Next: Appendix G: Economics of Coproduct Production from Large-Scale Algal Biofuels Systems »
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Biofuels made from algae are gaining attention as a domestic source of renewable fuel. However, with current technologies, scaling up production of algal biofuels to meet even 5 percent of U.S. transportation fuel needs could create unsustainable demands for energy, water, and nutrient resources. Continued research and development could yield innovations to address these challenges, but determining if algal biofuel is a viable fuel alternative will involve comparing the environmental, economic and social impacts of algal biofuel production and use to those associated with petroleum-based fuels and other fuel sources. Sustainable Development of Algal Biofuels was produced at the request of the U.S. Department of Energy.

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