One barrel of oil = 0.136 tons of oil

One short ton (2000 lb.) = 0.907 metric tons

One cubic foot = 0.0283 cubic meters

One kilowatt hour (kWh) = 3.6 × 10 6 J.

One million barrels of oil per day = 2.24 EJ per year


Adapted from NRC, Cooperation in the Energy Futures of China and the United States, 2000.



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