Calories to Btu (I.T.) conversion

There is more than one type of Calories. Please use the appropriate variation from the list below.

  1. Calories (15°C,CIPM, 1950) to Btu (I.T.)

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  2. Calories (15 °C, NBS 1939) to Btu (I.T.)

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  3. Calories (20°C) to Btu (I.T.)

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  4. Calories (I.T.) to Btu (I.T.)

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  5. Calories (Kilogram,I.T.) to Btu (I.T.)

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  6. Calories (Kilogram,mean) to Btu (I.T.)

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  7. Calories (Kilogram,thermoc.) to Btu (I.T.)

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  8. Calories (mean) to Btu (I.T.)

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  9. Calories (nutritional) to Btu (I.T.)

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  10. Calories (thermoc.) to Btu (I.T.)

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Calories

A calorie is the amount of energy it takes to warm 1 gram of water by 1° C. One calorie is equal to 4.184 joules

Btu (I.T.)

One BTU (IT) was defined by the Fifth International Conference on the Properties of Steam to be exactly 4.1868 J