Unit reference

Btu (I.T., pre-1956) conversions

Btu (I.T., pre-1956) is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is Btu (I.T., pre-1956).

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Definition

One Btu (I.T., pre-1956) equals 1055.04040278 joule in the CalculatorHQ canonical registry.