How much matza must I eat? How much maror? Is there a convenient way to measure them? These and similar perplexing questions are familiar issues of the Pesach Seder. Throughout the year similar questions arise: How much must I eat to make a Brocha Acharona? What about cake? How big must a pair of tzitzis be? This sefer answers these and many other questions by stating clear-cut quantities to be used for numerous mitzvos. It also gives practical suggestions for measuring the amounts to be used for various mitzvos. In addition, this sefer contains a thorough, detailed elucidation of the subject of Shiurei Hamitzvos, specifically detailing the basis for the most commonly followed sets of measurements: those of the Chazon Ish, Harav Chim No’e and Harav Moshe Feinstein.