Btu to Calories (15 °C, CIPM, 1950) conversion

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

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

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  2. Btu (15.6°C) to Calories (15°C,CIPM, 1950)

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  3. Btu (15.8°C, Canada) to Calories (15°C,CIPM, 1950)

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  4. Btu (15.8°C, ISO) to Calories (15°C,CIPM, 1950)

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  5. Btu (3.9°C) to Calories (15°C,CIPM, 1950)

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

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  7. Btu (I.T., pre-1956) to Calories (15°C,CIPM, 1950)

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

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  9. Btu (thermoc.) to Calories (15°C,CIPM, 1950)

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Btu

One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.

Calories (15°C,CIPM, 1950)

The International Committee for Weights and Measures have defined one cal15 is the ammount of heat energy needed to raise the temperature of 1g of water from 14.5°C to 15.5°C