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



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OCR for page 225
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 225

OCR for page 225
226 APPENDIX F 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