Carat (mass) quarters" of 15 grains troy each. Likewise, the ounce troy was divisible into 24 "ounce carats" of 20 grains troy each; the ounce carat was divisible into four "ounce grains" of 5 grains troy each; and the ounce grain was divisible into four "ounce quarters" of grains troy each. The "solidus" was also a Roman weight unit. There is literary evidence that the weight of 72 coins of the type called "solidus" was exactly 1 Roman pound, and that the weight of 1 "solidus" was 24 "siliquae". The weight of a Roman pound is generally believed to have been 327.45
Media weight Media weight Media weight is a term used in advertising to refer to the size of the audience reached by an advertising campaign. Media weight is determined by the number and placement of advertisements in media such as television commercials, online ads, or billboards. Media weight is usually expressed in the form of GRP’s (Gross rating Points), AOTS (Average opportunity to see) and reach of target audience. The main use of media weights is to monitor how well the goals of a communication plan are being reached. There are different ways to measure media weight. The most important method in