如何换算 kj/kg,btu/lbmhow to exchange the unit of kj/kg and btu/lbm in thermodynamics?

如何换算 kj/kg,btu/lbmhow to exchange the unit of kj/kg and btu/lbm in thermodynamics?
如何换算 kj/kg,btu/lbm
how to exchange the unit of kj/kg and btu/lbm in thermodynamics?

如何换算 kj/kg,btu/lbmhow to exchange the unit of kj/kg and btu/lbm in thermodynamics?
1kJ = 0.94782BTU
1kg = 2.20462262lbm
kj/kg=0.4299btu/lbm
but i don't major in the power or heat engineering.so just search the number,but not the basic principle.