| Did you mean to convert | British thermal unit | to | calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] |
How many British thermal unit in 1 calorie? The answer is 0.0039673727240424. We assume you are converting between British thermal unit and calorie [15 °C]. You can view more details on each measurement unit: British thermal unit or calorie The SI derived unit for energy is the joule. 1 joule is equal to 0.00094781707774915 British thermal unit, or 0.23890295761862 calorie. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between Btus and calories. Type in your own numbers in the form to convert the units!
1 British thermal unit to calorie = 252.05597 calorie
2 British thermal unit to calorie = 504.11195 calorie
3 British thermal unit to calorie = 756.16792 calorie
4 British thermal unit to calorie = 1008.2239 calorie
5 British thermal unit to calorie = 1260.27987 calorie
6 British thermal unit to calorie = 1512.33585 calorie
7 British thermal unit to calorie = 1764.39182 calorie
8 British thermal unit to calorie = 2016.4478 calorie
9 British thermal unit to calorie = 2268.50377 calorie
10 British thermal unit to calorie = 2520.55975 calorie
You can do the reverse unit conversion from calorie to British thermal unit, or enter any two units below:
The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.
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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