Thermal Conductivity Conversion Chart

Printable thermal conductivity conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

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BTU per hour foot degree Fahrenheit to watt per metre kelvin

BTU per hour foot degree Fahrenheit to watt per metre kelvin conversion chart
BTU/(h·ft·°F)	W/(m·K)
0.014	0.0242303
0.02	0.0346147
0.023	0.0398069
0.1	0.173073
0.35	0.605757
1	1.73073
9.4	16.2689
26	44.9991
118	204.227
232	401.53

watt per metre kelvin to BTU per hour foot degree Fahrenheit

watt per metre kelvin to BTU per hour foot degree Fahrenheit conversion chart
W/(m·K)	BTU/(h·ft·°F)
0.024	0.0138669
0.035	0.0202226
0.04	0.0231116
0.15	0.0866684
0.6	0.346674
1	0.577789
1.4	0.808905
16	9.24463
50	28.8895
205	118.447
401	231.694

BTU inch per hour square foot degree Fahrenheit to watt per metre kelvin

BTU inch per hour square foot degree Fahrenheit to watt per metre kelvin conversion chart
BTU·in/(h·ft²·°F)	W/(m·K)
0.15	0.0216342
0.16	0.0230765
0.2	0.0288456
0.22	0.0317301
0.25	0.036057
0.27	0.0389415
0.3	0.0432684
0.5	0.0721139
1	0.144228
5	0.721139

watt per metre kelvin to BTU inch per hour square foot degree Fahrenheit

watt per metre kelvin to BTU inch per hour square foot degree Fahrenheit conversion chart
W/(m·K)	BTU·in/(h·ft²·°F)
0.024	0.166403
0.035	0.242672
0.04	0.277339
0.15	1.04002
0.6	4.16008
1	6.93347
1.4	9.70686
16	110.936
50	346.674
205	1421.36
401	2780.32

kilocalorie per hour metre degree Celsius to watt per metre kelvin

kilocalorie per hour metre degree Celsius to watt per metre kelvin conversion chart
kcal/(h·m·°C)	W/(m·K)
0.02	0.02326
0.03	0.03489
0.035	0.040705
0.05	0.05815
0.5	0.5815
1	1.163
1.2	1.3956
14	16.282
40	46.52
330	383.79

milliwatt per metre kelvin to watt per metre kelvin

milliwatt per metre kelvin to watt per metre kelvin conversion chart
mW/(m·K)	W/(m·K)
10	0.01
15	0.015
18	0.018
22	0.022
24	0.024
26	0.026
30	0.03
32	0.032
35	0.035
40	0.04

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.