Convert BTU, kWh, therms, and fuel heating values (HHV/LHV)
Industry-Standard Energy Conversions
Convert between fuels and energy units using EIA and GPSA heating values. Supports HHV (Higher Heating Value) for combustion equipment sizing and fuel purchasing. Values at standard conditions (60°F, 14.73 psia).
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📚 Learn the Theory
Learn energy unit conversions, power calculations, and fuel consumption rates