## ››Convert calorie [15 °C] to therm [Europe]

 calorie therm

 Did you mean to convert calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] to therm [Europe] therm [U.S.]

How many calorie in 1 therm? The answer is 25205597.496297.
We assume you are converting between calorie [15 °C] and therm [Europe].
You can view more details on each measurement unit:
calorie or therm
The SI derived unit for energy is the joule.
1 joule is equal to 0.23890295761862 calorie, or 9.4781707774915E-9 therm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between calories and therm [Europe].
Type in your own numbers in the form to convert the units!

## ››Want other units?

You can do the reverse unit conversion from therm to calorie, or enter any two units below:

## Enter two units to convert

 From: To:

## ››Definition: Calorie

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.

## ››Definition: Therm

The therm (symbol, thm) is a non-SI unit of heat energy equal to 100000 British thermal units (Btu[1]). It is approximately the energy equivalent of burning 100 cubic feet (2.83 cubic metres) – often referred to as 1 CCF – of natural gas.

The therm (EC) is often used by engineers in the US.

## ››Metric conversions and more

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!