Btu (mean) to Calories conversion

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

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

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

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  3. Btu (mean) to Calories (20°C)

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

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

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

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

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  8. Btu (mean) to Calories (mean)

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  9. Btu (mean) to Calories (nutritional)

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

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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

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