Convert therm (US) to Hartree energy
Please provide values below to convert therm (US) [thm (US)] to Hartree energy [Eh], or Convert Hartree energy to therm (US).
How to Convert Therm (Us) to Hartree Energy
1 thm (US) = 2.41941495612063e+25 Eh
Example: convert 15 thm (US) to Eh:
15 thm (US) = 15 × 2.41941495612063e+25 Eh = 3.62912243418095e+26 Eh
Therm (Us) to Hartree Energy Conversion Table
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Therm (Us)
The therm (US) is a unit of energy used primarily to measure natural gas consumption, equivalent to 100,000 British thermal units (BTUs).
History/Origin
The therm was introduced in the early 20th century as a practical unit for billing natural gas, standardizing energy measurement in the United States. It has been widely adopted in the energy industry for commercial and residential gas usage.
Current Use
Today, the therm (US) is still used in the natural gas industry for billing and energy calculations, although it has been largely supplemented by the gigajoule and other SI units in scientific contexts.
Hartree Energy
The Hartree energy (Eh) is a unit of energy used in atomic physics, representing the total energy of an electron in a hydrogen atom in its ground state.
History/Origin
Named after the American physicist Douglas Hartree, the Hartree energy was introduced in the early 20th century as a fundamental atomic unit of energy within the system of atomic units, facilitating calculations in quantum mechanics.
Current Use
The Hartree energy is primarily used in theoretical and computational chemistry and physics to express energies at the atomic and molecular scale, especially in quantum chemistry calculations and atomic physics research.