Conversion Factors

Length
1 Centimetre = 0.3937 Inches 1 Inch = 2.54 Cms
1 Metre = 3.2808 Feet 1 Foot = 0.3048 Metres
1 Kilometre = 0.62137 Miles 1 Mile = 1.60934 Kilometres
1 Kilometre = 0.53996 Nautical Miles 1 Naut Mile = 1.852 Kilometres
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Area
1 Sq. Metre = 10.7639 Sq. Feet 1 Sq. Feet = 0.092903 Sq. Metre
1 Hectare = 2.47105 Acres 1 Acre = 0.404686 Hectare
1 Sq. Km = 0.3861 Sq. Miles 1 Sq. Miles = 2.58999 Sq. Km
1 Sq. Km = 247.105 Acres 1 Acres = 0.004047 Sq. Km
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Weight
1 Kilogram = 2.20462 Pounds (lbs) 1 Pounds (lbs) = 0.45359 Kilograms
1 Metric Ton = 0.98412 Long Tons 1 Long Tons = 1.01605 Metric Tons
1 Metric Ton = 1.10231 Short Tons 1 Short Tons = 0.907185 Metric Tons
        1 Long Ton = 2,240 lbs
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Volume
1 Litre = 0.2642 U.S. Gallons 1 U.S. Gallons = 3.785 Litres
1 Litre = 0.21997 U.K. Gallons 1 U.K. Gallons = 4.54609 Litres
1 Cu. Metre = 6.2898 Barrels 1 Barrels = 0.159 Cu. Metres
1 Barrel = 42.0 U.S. Gallons 1 Barrels = 158.97 Barrels
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Standard Energy Equivalents


1000 metric tons of oil equivalent. (TOE)
10.0 tercalories (net)
41.9 terajoules (net)
1.43 thousand metric tons of coal equivalent
1.20 million cubic metres of natural gas
11.63 gigawatt hours of electricity
7.0 thousand barrels of oil equivalent
39.68 billion (109) BTUs (net)
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1000 Barrels of oil equivalent. (BOE)
1.43 tercalories (net)
6.0 terajoules (net)
0.204 thousand metric tons of coal equivalent
0.172 million cubic metres of natural gas
1.661 gigawatt hours of electricity
0.143 thousand metric tons of oil equivalent
5.674 billion (109) BTUs (net)
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1000 metric tons of coal equivalent. (TCE)
7.00 tercalories (net)
29.3 terajoules (net)
0.84 million cubic metres of natural gas
8.14 gigawatt hours of electricity
0.70 thousand metric tons of oil equivalent
27.78 billion (109) BTUs (net)
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Multiples
micro = one millionth hecto = one hundred
milli = one thousandth kilo = one thousand
centi = one hundredth mega = one million
deci = one tenth giga = one billion (109)
deca = ten tera = one trillion (1012)
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Energy & Work Equivalents
    Terejoules Teracalories Million BTUs Megawatt hours
1 Terajoule = 1.0 0.2388 947.8 277.7
1 Teracalorie = 4.1868 1.0 3968 1163
1 Million BTUs = 0.001055 0.000252 1.0 0.29299
1 Megawatt hour = 0.003601 0.000860 3.4130 1.0
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