Thermal Conductivity British thermal unit
IT
foot per hour square foot degree Fahrenheit
[Btu
IT
· ft / (h · ft
2
· ºF)] ................................. watt per meter kelvin [W / (m · K)] ..... 1.730 735 E+00
British thermal unit
th
foot per hour square foot degree Fahrenheit
[Btu
th ·
ft / (h · ft
2
· ºF)] .................................. watt per meter kelvin [W / (m · K)] ..... 1.729 577 E+00
British thermal unit
IT
inch per hour square foot degree Fahrenheit
[Btu
IT
· in / (h · ft
2
· ºF)] ................................ watt per meter kelvin [W / (m · K)] ..... 1.442 279 E−01
British thermal unit
th
inch per hour square foot degree Fahrenheit
[Btu
th
· in / (h · ft
2
· ºF)] ................................ watt per meter kelvin [W / (m · K)] ..... 1.441 314 E−01
British thermal unit
IT
inch per second square foot degree Fahrenheit
[Btu
IT
· in / (s · ft
2
· ºF)] ................................ watt per meter kelvin [W / (m · K)] ..... 5.192 204 E+02
British thermal unit
th
inch per second square foot degree Fahrenheit
[Btu
th
· in / (s · ft
2
· ºF)] ................................. watt per meter kelvin [W / (m · K)] ..... 5.188 732 E+02
calorie
th
per centimeter second degree Celsius
[cal
th
/ (cm · s · ºC)] ...................................... watt per meter kelvin [W / (m
· K)] ............ 4.184 E+02
Guide for the Use of the International System of Units (SI) 62
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