61
KD2 Pro Operator’s Manual
Appendix A
Appendix A
Table of Thermal Units
Column 1:
SI Unit
To convert
Column 1 into
Column 2,
multiply by:
Column 2:
English Unit
To convert
Column 2 into
Column 1,
multiply by:
heat
Joule
0.000952
BTU
1054
heat
Joule
0.239
cal
4.186
heat flux
density
W/m
2
0.00143
cal/(cm
2
min)
698
thermal
conductivity
W/(m· K)
0.578
BTU/(hr·
ft
°F)
1.73
thermal
conductivity
W/(m· K)
6.93
BTU· in/
(hr· ft
2
°F)
0.144
thermal
resistivity
cm·
°C
/W
0.0173
ft· hr °F/
BTU
57.8
thermal
resistivity
cm·
°C
/W
.00144
ft
2
hr· °F/
(BTU· in)
693
specific heat J/(kg· K)
2.39 x 10
-4
BTU/(lb· °F)
4179
diffusivity
mm
2
/s
0.0388
ft
2
/hr
25.794
diffusivity
m
2
/s
.1076
ft
2
/s
9.29
