Roxul Industrial Insulation Process - Manual (Page 140)

Unit
s, c
onv
er
sion f
act
or
s and t
abl
es
3.1.6b SI derived units with special names (US units)
Name Symbol Quantity (US) Unit Expression in terms of original Units
Force, weight F Pound-Force lb
f
lb ⋅in
s 2
Pressure, stress p
Pound-Force
per square inch
PSI
lb
in⋅s 2
Energy, work, heat E, W British-Thermal-Unit BTU
lb ⋅in 2
s 2
Celsius-temperature z degrees Fahrenheit °F
0 °F = 459.67 °R
32 °F = 491.67 °R
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