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					    Quantity           Application    From:Old Units To: SI Units     Multiply by
Sound pressure     (See Pressure,
level              sound level)
Speed              (See velocity)
Spring rate,       (See Force per
linear             length)
Spring rate,       General            lbf‧ft/deg     N‧m/deg        1.355818
torsional
Strength, field,   General            V/ft           V/m            3.280840
electric
Strength, field,   General            oersted        A/m            79.57747
magnetic
Strength, impact   Material testing   ft‧lbf         J              1.355818
Stress             General            lbf/in.2       MPa            0.006894757
Surface tension    (See Tension,
                   surface)

Quantity           Application        From:Old     To:   SI Units   Multiply by
                                      Units
Temperature        General use        ℉            ℃                t℃=(t℉-32)/1.8*
                                      o
                   Absolute            R           K                TK=T oR/1.8*
                   temperature,
                   thermodynamics,
                   gas cycles
Temperature        General use        ℉            K+               1K=1℃=1.8℉*
interval
Tension, surface General              lbf/in.      mN/m             175126.8
                                      dyne/cm      mN/m             1*
Thermal            Heat transfer      ft2/h        m2/h             0.09290304
diffusivity
Thrust             (See Force)
Time               General            s            s
                                      h            h
                                      min          min
                   Hydraulic cycle    S            S
                   time
                   Hauling cycle time min          min
Torque             (See Moment of
                   force)
Toughness,         Metal properties   ksi‧in.0.5   MPa‧m0.5         1.098843
fracture

				
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