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OCR for page 307
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 m (meter)
≡
1 mile 1.609344 km (kilometer)
Area
≡
mi2 km2
1 2.589988
≡
1 acre 0.404685642 hectare (ha)
Volume
≡
ft3 m3
1 0.028317
≡
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
307
OCR for page 308
308 APPENDIX F
≡
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
≡
ft3/acre m3/ac
1 0.028317
≡
ft3/ton m3/Mg
1 0.031214
≡
ft3/Btu m3/GJ
1 26,839.19
≡
1 Btu per gallon 0.000279 MJ/L
