How many gram calorie in 1 therm [U.S.]?
The answer is 25199579.530795.
We assume you are converting between gram calorie and therm [U.S.].
You can view more details on each measurement unit: gram calorie or
therm [U.S.]
The SI derived unit for energy is the joule.
1 joule is equal to 0.23890295761862 gram calorie, 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 gram calories and therm [U.S.].
Type in your own numbers in the form to convert the units!

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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