Ounce per Gallon (oz/gal) : A traditional unit of mass concentration. One ounce per U.S. gallon equals 7.489 152 grams per liter (g/L). In Britain, 1 ounce per Imperial gallon is equal to 6.236 023 grams per liter
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}