How many kilocalorie [15 °C] in 1 therm [U.S.]?
The answer is 25199.579530795.
We assume you are converting between kilocalorie [15 °C] and therm [U.S.].
You can view more details on each measurement unit: kilocalorie [15 °C] or
therm [U.S.]
The SI derived unit for energy is the joule.
1 joule is equal to 0.00023890295761862 kilocalorie [15 °C], 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 kilocalories 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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