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Convert Hartree (atomic unit of energy) (Eh) to British Thermal Unit (BTU) instantly with live mathematical scaling and high-precision energy tables.

Hartree (atomic unit of energy) (Eh): The atomic unit of energy, used in atomic physics and quantum chemistry, defined as twice the ionization energy of a hydrogen atom.
British Thermal Unit (BTU): A traditional unit of heat, defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.