| Did you mean to convert | therm [Europe] therm [U.S.] |
to | calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] |
How many therm [U.S.] in 1 calories? The answer is 3.9683201808108E-8. We assume you are converting between therm [U.S.] and calorie [15 °C]. You can view more details on each measurement unit: therm [U.S.] or calories The SI derived unit for energy is the joule. 1 joule is equal to 9.4804342797335E-9 therm [U.S.], or 0.23890295761862 calories. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between therm [U.S.] and calories. Type in your own numbers in the form to convert the units!
1 therm [U.S.] to calories = 25199579.53079 calories
2 therm [U.S.] to calories = 50399159.06159 calories
3 therm [U.S.] to calories = 75598738.59238 calories
4 therm [U.S.] to calories = 100798318.12318 calories
5 therm [U.S.] to calories = 125997897.65397 calories
6 therm [U.S.] to calories = 151197477.18477 calories
7 therm [U.S.] to calories = 176397056.71556 calories
8 therm [U.S.] to calories = 201596636.24636 calories
9 therm [U.S.] to calories = 226796215.77715 calories
10 therm [U.S.] to calories = 251995795.30795 calories
You can do the reverse unit conversion from calories to therm [U.S.], or enter any two units below:
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.
15 °C calorie: the amount of energy required to warm 1 g of air-free water from 14.5 °C to 15.5 °C at a constant pressure of 101.325 kPa (1 atm). Experimental values of this calorie ranged from 4.1852 J to 4.1858 J. The CIPM in 1950 published a mean experimental value of 4.1855 J, noting an uncertainty of 0.0005 J.
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