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Convert Hartree (atomic unit of energy) (Eh) to Kilojoule (kJ) 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.
Kilojoule (kJ): A common metric unit of energy, equal to 1000 joules, often used for nutritional values and larger energy measurements.