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British thermal unit (39 ºF)

Unit of heat energy according to the Imperial system of units in a reference temperature of 39 °F.

notationN66
unitSymbolBtu (39 ºF)
dimensionVectorL2 M1 T-2
rec20Quantityheat, quantity of heat, energy, thermodynamic energy, enthalpy, Helmholtz function, Helmholtz free energy
rec20SectorHeat
in groupingsunece:thermal

Mappings & provenance

exactMatchhttp://qudt.org/vocab/unit/BTU_39DEG_F
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