This publication provides a convenient and compact reference and set of tables for the two most frequently used ASTM viscosity methods, D 2161-66 (1971)—ASTM Standard Method for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity D 2270-64 (1968)—ASTM Standard Methods for Calculating Viscosity These standard methods are jurisdicton of Research and Development Division VII on Flow Properties of ASTM Committee D-2 on Petroleum Products and Lubricants.