A dictionary of common, esoteric, current and historical units. Handbooks and tables in science and technology. An annotated list of published handbooks. Handbook of mathematical functions with formulas, graphs and mathematical tables. 1972 Reference collection 518.2 A161 USDA Nutrient Database for Standard Reference, release 11-1 Contains the nutrient content of more than 5000 foods.
Conversion factors are in many quick reference handbooks in chemistry and physics.