Calories to Btu (mean) 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 (mean)

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

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  3. Calories (20°C) to Btu (mean)

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

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

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

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  7. Calories (Kilogram,thermoc.) to Btu (mean)

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  8. Calories (mean) to Btu (mean)

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  9. Calories (nutritional) to Btu (mean)

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  10. Calories (thermoc.) to Btu (mean)

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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 (mean)

One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (mean) uses a result averaged over water temperatures 0 to 100 °C (32.0 to 212.0 °F) which is approx. 1055.87 J