Btu (I.T.) to Btu conversion

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

  1. Btu (I.T.) to Btu (15°C)

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  2. Btu (I.T.) to Btu (15.6°C)

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  3. Btu (I.T.) to Btu (15.8°C, Canada)

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  4. Btu (I.T.) to Btu (15.8°C, ISO)

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  5. Btu (I.T.) to Btu (3.9°C)

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  6. Btu (I.T.) to Btu (I.T.)

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  7. Btu (I.T.) to Btu (I.T., pre-1956)

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

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  9. Btu (I.T.) to Btu (thermoc.)

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Btu (I.T.)

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

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.