Search Tools and Calculators

Paragon has developed a range of tools and calculators for your use on our website. Please see below the range of functions we can offer.


  • Our viscosity search tool enables you to filter through our range of viscosity standards to only show products that are specific to your needs.
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  • Our Viscosity Index Calculator is a calculation tool where, by entering the results of your sample's kinematic values at 40 °C and 100 °C, you can have the viscosity index value calculated in an instant, based on ASTM D2270 specifications.
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  • This interpolation calculator is used to determine the kinematic viscosity values, applicable for viscosity-temperature charts, as is specified in ASTM D341.
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