. . "\\({\\bf BTU_{IT} \\, Foot}\\) is an Imperial unit for \\(\\textit{Thermal Energy Length}\\) expressed as \\(Btu-ft\\)."^^ . . "[Btu_IT].[ft_i]"^^ . . "\\(Btu-ft\\)"^^ . . "321.581024"^^ . . "Btu\u22C5ft" . "BTU Foot"@en . . . .