ഫലകം:Convert/Btu-th
{{convert/{{{d}}}|{{{1}}}||||s=|r={{{r}}} |u=Btuth |n=British thermal unit (thermochemical) |h=British-thermal-unit (thermochemical) |l=British thermal units (thermochemical) |t=British thermal unit |o=kJ |b=1054.35026444 |j=3.022984911-0}}