Energy Calculator Help

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Convert: Energy Units, Fuels & Usages: Click to Calculate
  
Click example buttons to display interesting results.
Does nearly 1,000,000 conversions.

Converts between (and defines) all of the following:
    Energy units: Btu, joule, kWh, Tonne of oil equivalent, etc.=]
    Fuels: Oil, gasoline, hydrogen, ethanol, etc. By weight and volume.
    Usages: Total energy used by US in 2005, energy per person-day, etc.

Help:
1. If a change does not happen automatically, hit the Calculate button.
2. The number 3.24 billion can be entered as 3.24e9. (e9 means "times 109 ).