that eggs today are the same size as the eggs used in measurement by the Sages are Rabbi Yechiel Michel Epstein (1829–1908), author of the Aruch HaShulchan, and Rabbi Shelomo Qorah, the late Chief Rabbi of Bnei Brak, among others, who having tested the trigonometric calculations for the volume of flour needed to separate the dough-portion (= the volume of 43.2 eggs), and which, according to Maimonides, can be measured by filling-up a space 10 fingerbreadths x 10 fingerbreadths square (the finger's breadth being the width of one's thumb, appx. 2.5 cm), with a depth of 3 fingerbreadths and 1/10 of another fingerbreadth, along with a little more than 1/100 of another fingerbreadth, found that medium-sized eggs of our modern age have not diminished in size. See also Biblical and Talmudic units of measurement Notes References Units of volume Obsolete units of measurement Ancient Israel and Judah