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Convert Hartree (atomic unit of energy) (Eh) to Calorie (nutritional) (Cal (kcal)) 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.
Calorie (nutritional) (Cal (kcal)): Also known as kilocalorie (kcal), commonly used to express the energy content of food.