Technical Information

Commonly Used Conversion Factors for Plastic Materials

This is our most current Conversion Table. We think this information will be very useful to our Customers. We will update this information from time to time.

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This calculator is for reference purposes only. Please perform your own calculations for critical applications.

If ”ASTM” is noted, the indicated conversions apply to an ASTM notched Izod test specimen. If ”ISO” is noted, the indicated conversions apply to an ISO notched Izod specimen.

To Convert Multiply By To Obtain To Convert Multiply By To Obtain
¢/lb0.036 (sp grav)¢/in³kg/cm²0.1MPa
°C1.8(°C) + 32°Fkg/cm²14.22psi
°F0.56(°F - 32)°Ckg-cm/cm0.18ft-lbs/in
ft-lbs1.36Jkg-cm/cm9.81J/m
ft-lbs13.83kg-cmkg-cm/cm²0.47ft-lbs/in²
ft-lbs/in3.23 ISOft-lbs/in²kg/m³0.001g/cm³
ft-lbs/in53.39J/mkJ/m²10.2 ASTMJ/m
ft-lbs/in5.44kg-cm/cmkJ/m²0.19 ASTMft-lbs/in
ft-lbs/in5.24 ASTMkJ/m²kJ/m²0.48ft-lbs/in²
ft-lbs/in6.68 ISOkJ/m²kJ/m²8 ISOJ/m
ft-lbs/in²0.31 ISOft-lbs/inkJ/m²0.15 ISOft-lbs/in
ft-lbs/in²2.12kg-cm/cm²kN/m5.7lbs/in
ft-lbs/in²2.07 ISOkJ/m²lbs/in0.18kg/cm
g/cm³1000kg/m³lbs/in0.175kN/m
in/in/°F1.8mm/mm/°Clbs/in175N/m
in/min25.4mm/minmicrons0.000039in
in-lbs0.11Jmicrons0.039thousandths
in-lbs1.15kg-cmmiles/hr0.45m/sec
J0.74ft-lbsmm/min0.039in/min
J8.85in-lbsmm/mm/°C0.56in/in/°F
J10.2kg-cmMPa10.2kg/cm²
J/m0.019ft-lbs/inMPa145psi
J/m0.10 ASTMkJ/m²m/sec2.24miles/hr
N/m0.0057lbs/inJ/m0.12 ISOkJ/m²
N/mm²145psiJ/m0.1kg-cm/cm
psi0.0069N/mm²kg-cm0.07ft-lbs
psi0.0069MPakg-cm0.87in-lbs
psi0.07kg/cm²kg-cm0.1J
kg/cm5.6lbs/in

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