## ››Convert hartree to therm [U.S.]

 hartree therm [U.S.]

 Did you mean to convert hartree to therm [Europe] therm [U.S.]

How many hartree in 1 therm [U.S.]? The answer is 2.4194149561206E+25.
We assume you are converting between hartree and therm [U.S.].
You can view more details on each measurement unit:
hartree or therm [U.S.]
The SI derived unit for energy is the joule.
1 joule is equal to 2.2937104486906E+17 hartree, or 9.4804342797335E-9 therm [U.S.].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between hartrees and therm [U.S.].
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## ››Definition: Hartree

The Hartree energy (symbol Eh) is a physical constant used as atomic unit of energy, named after physicist Douglas Hartree.

## ››Definition: Therm

The therm (symbol thm) is a non-SI unit of heat energy. It was defined in the United States in 1968 as the energy equivalent of burning 100 cubic feet of natural gas at standard temperature and pressure. In the US gas industry its SI equivalent is defined as exactly 100,000 BTU59°F or 105.4804 megajoules. Public utilities in the U.S. use the therm unit for measuring customer usage of gas and calculating the monthly bills.

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!