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
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


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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 307
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