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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	m (meter)
1 mile	≡ 1.609344	km (kilometer)
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 bushel	≡ 17.857143	kg/tonne
1 pound per acre	≡ 1.120851	kg/ha

1 bushel per acre	≡ 0.062768	tonne/ha
1 ton per acre	≡ 2.241702	tonne/ha
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

Renewable Fuel Standard: Potential Economic and Environmental Effects of U.S. Biofuel Policy (2011)

Chapter: Appendix F: Conversion Factors

My Academies

Renewable Fuel Standard: Potential Economic and Environmental Effects of U.S. Biofuel Policy (2011)

Chapter: Appendix F: Conversion Factors