This 44-page booklet provides the tools for reading, converting, interpreting and/or translating units of measure commonly used by people involved in water management in the U.S. and internationally. Much of this information is typically only available by searching numerous publications, but we have assembled it here under one cover for quick reference. Included in this circular:
Common SI (International System) Prefixes
Commonly Used Abbreviations and Symbols
Commonly Used Metric and English Conversion Factors
A Glossary of Commonly Used Metric and English Conversion Factors
Elements and Atomic Weights
Interpreting Water Chemistry Formulas and Calculating Molecular Weights
Different Ways of Expressing a Chemical Compound
Using Atomic Weights to Compare Different Measures of Concentration
Keywords: abbreviation, acre, area, atomic weights, calories, carbon-12, Celcius, centimeter, common prefixes, communication, concentration, conversion factor, conversions, cubic, element, ergs, exponent, Fahrenheit, fathom, feet, gallon, grains, gram, hectare, inches, International System (SI), kilo, length, liter, lumen, mass, meter, metric, metric system, micro, mille, mole, molecular weight, molecule, multiplying factor, nutrients, ounces, prefix, pressure, quart, relative, atomic, weight, scientific, language, scientific, notation, square, standardize, symbols, temperature, thousand, ton, translators, unit of measure, volume, watt, weight, yard.
Note: Circular 105 is available in Portable Document Format (pdf) only. It can be obtained as a single PDF file by clicking on the "Printer Friendly Version" link above (file size = 1 MB).
Photos used with permission as credited.